Plan técnico para la ejecución de la "Jornada a nivel nacional de acciones integrales e intersectoriales para la prevención de las Arbovirosis 2024"

Las arbovirosis en El Salvador son enfermedades reincidentes en la que se ven relacionados muchos factores determinantes, en los cuales el Ministerio de Salud está realizando grandes esfuerzos por superarlos, a fin de mantener controlado el riesgo de brotes o epidemias de estas enfermedades, conservando de esta manera la primicia fundamental de conservar la salud de todos los salvadoreños

Arboviruses in El Salvador are recurrent diseases in which they are related many determining factors, in which the Ministry of Health is making great efforts to overcome them, in order to keep the risk of outbreaks or epidemics of these diseases under control diseases, thus preserving the fundamental first of preserving the health of all Salvadorans

[Retrospective estimation of initial COVID-19 infections in the Santiago Metropolitan Region in Chile]. / Estimación retrospectiva de los casos iniciales de COVID-19 en Santiago Región Metropolitana en Chile.

OBJECTIVE: Estimate daily infections of COVID-19 during the first year of the pandemic in the Santiago Metropolitan Region (SRM) in Chile and Chile that are more realistic than those officially registered. METHOD: Retrospective estimate of daily infections from daily data on COVID-19 deaths, a seroprevalence study, and the REMEDID (Retrospective Methodology to Estimate Daily Infections from Deaths) algorithm. RESULTS: In SRM, it is observed that: 1) the maximum peak of infections was more than double that registered in the official statistics; 2) such peak was reached on May 22 (95% CI: 20-24 May), 2022, that is, 24 days before the official date of the peak of infections; and 3) the first estimated contagion took place on January 28, 2020 (95% CI: January 21 to February 16), that is, 36 days before the official date. In Chile, the situation is similar. During the first wave SRM accounted for 70%-76% of those infected in Chile, while from August 2020 onwards it accounted for 36%-39%. CONCLUSIONS: The official records of COVID-19 infections in SRM and Chile underestimated the real number of positives and showed a delay of about a month in the dynamics of infections. This is not an isolated situation, as it is known to have been the case in other countries as well. However, it is important to have reliable estimates for a correct modeling of the spread of the virus.

Revisión de un libro pionero sobre epidemias de Risueño de Amador (1829) / Review of a pioneer book on epidemics by Risueño de Amador (1829)

En este artículo se revisa y comenta el libro de epidemiología escrito por el médico español Benigno Risueño de Amador (1802-1849), publicado inicialmente en francés (1829) y posteriormente traducido al español (1831). Este estudio documental retrospectivo de un manual científico-médico glosa el contenido del libro, destacando sus aspectos más importantes. El libro de casi doscientos años de antigüedad puede considerarse una valiosa y temprana contribución a la epidemio-logía, así como una muestra de la gran preocupación existente en la Europa de principios del siglo XIX por el tema de las epidemias. Representa además una valiosa contribución española, que muestra los esfuerzos realizados para avanzar en esta disciplina médica hacia una posición más científica en una época incipientemente microbiana.(AU)

This article reviews and comments on the epidemiological book written by the Spanish physician Benigno Risueño de Amador (1802-1849), initially published in French (1829), and its subsequent translation into Spanish (1831). This retrospective documentary case study of a scientific-medical manual reviews the contents of the book, highlighting its most important aspects. This almost 200-year-old book can be considered a valuable, early contribution to epidemiology, and a sign of the great concern in early 19th Europe about the subject of epidemics. It represents a valuable contribution that shows the enormous efforts made to advance in this medical discipline towards a more scientific position at an incipient microbial time.(AU)

Perfil de óbitos por dengue (2015-2023) em cidade paulista: desafios para a saúde pública / Dengue death profile (2015-2023) in a são paulo municipality: challenges for public health / Perfil de muertes por dengue (2015-2023) en una ciudad del interior del estado de são paulo: desafíos para la salud pública

O número de casos de dengue no continente americano, no primeiro semestre de 2023, superou o total de casos de 2022 e o Brasil lidera com 2,3 milhões de ocorrências da doença e 769 mortes. A dengue se expande no mundo e já é considerada endêmica em mais de 100 países. Este estudo objetiva caracterizar o perfil dos óbitos por dengue, no período de 2015 a 2023, em uma cidade do interior do estado de São Paulo. Este é um estudo transversal, retrospectivo e descritivo, com análise de dados secundários do Sistema Nacional de Notificação (Sinan), Sistema de Mortalidade (SIM) e banco de dados dos óbitos por dengue, do comitê de mortalidade da vigilância epidemiológica municipal. A capacidade das equipes de saúde em identificar os sinais e sintomas ocorreu em apenas 42,9% dos casos antes da internação e do óbito, seguida por no dia do óbito (11,7%) e após o óbito (8,8%). A mortalidade por dengue predominou em indivíduos do sexo masculino (51,4%), com idade mediana de 74 anos. A análise dos dados demonstrou que o manejo clínico da dengue ainda é desafiador para a equipe de saúde, que precisa se manter permanentemente capacitada para o reconhecimento dos sintomas, sinais de alarme e gravidade, para a correta condução de cada caso, visando a redução da mortalidade.

In the first half of 2023, the number of dengue cases in the Americas surpassed the total for 2022, with Brazil leading the list with 2.3 million disease occurrences and 769 deaths. Dengue is expanding globally and is already considered endemic in more than 100 countries. This study characterizes the profile of dengue deaths from 2015 to 2023 in a municipality of São Paulo. A cross-sectional, retrospective, and descriptive study was conducted with secondary data obtained from the National Notification System (SINAN), Mortality System (SIM), and dengue death database of the municipal epidemiological surveillance mortality committee. Only in 42.9% of cases were the health teams able to identify the signs and symptoms before hospitalization and death, followed by after death (8.8%) and on the day of death (11.7%). Dengue mortality predominated among male individuals (51.4%) with a median age of 74 years. Data analysis showed that the clinical management of dengue remains challenging for health teams, who needs continuous training to recognize the signs and symptoms, warning signs, and severity for correct management of each case, aiming to reduce mortality.

Los casos de dengue en las Américas superaron en el primer semestre de 2023 al total de casos de 2022, en el cual lidera Brasil con 2,3 millones de notificaciones de la enfermedad y 769 muertes. El dengue se expande por el mundo, y más de 100 países ya lo consideran una endemia. Este estudio tiene como objetivo caracterizar el perfil de las muertes por dengue en el período de 2015 a 2023, en una ciudad del interior del estado de São Paulo. Se trata de un estudio transversal, retrospectivo y descriptivo con análisis de datos secundarios del Sistema Nacional de Notificación (SINAN), del Sistema de Mortalidad (SIM) y de la Base de Datos de Muertes por Dengue del Comité de Mortalidad de la Vigilancia Epidemiológica Municipal. Los equipos de salud fueron capaces de identificar los signos y síntomas en solo el 42,9% de los casos antes de la hospitalización y de la muerte, seguida del día de la muerte (11,7%) y tras la muerte (8,8%). La mortalidad por dengue predominó en individuos del sexo masculino (51,4%) con una edad media de 74 años. El análisis de datos demostró que el manejo clínico del dengue sigue siendo un desafío para el equipo de salud, quien necesita mantenerse capacitado continuamente para detectar los signos y síntomas, señales de alarma y gravedad, para la correcta conducción de cada caso, con el objetivo de reducir la mortalidad.

Características clínicas y epidemiológicas de la Mpox en población asegurada de La Libertad, 2022 / Clinical and epidemiological characteristics of mpox among the insured population of La Libertad, 2022

RESUMEN Objetivo: Describir las características clínicas y epidemiológicas de la viruela símica (Mpox) en la población asegurada de La Libertad del Seguro Social de Salud (EsSalud). Materiales y métodos: Estudio descriptivo, cuyos datos se recolectaron de las fichas clínico-epidemiológicas e historias clínicas; se consideró casos según la sintomatología y el resultado positivo de la prueba PCR. Las variables de estudio fueron síntomas y signos, duración de la enfermedad, antecedentes clínicos, sexo, edad, orientación sexual, lugar de contacto con la persona con la Mpox. Se calcularon frecuencias absolutas y relativas e intervalos de confianza. Resultados: La Mpox se presentó en la población asegurada entre el 15 de julio y el 31 de diciembre del 2022, y se notificaron 48 casos. Las características clínicas fueron fiebre (54,17 %), astenia y linfadenopatía (52,08 %) (cuya localización fue inguinal en el 25 %, cervical en el 12 % y axilar en el 5 %), mialgia y dolor de espalda (43,75 %), dolor de garganta (37,50 %) y escalofríos (5 %), exantema polimórfico y de forma centrífuga (100 %); además, existieron complicaciones (6,25 %) y hubo una persona fallecida (letalidad de 6,25 %). Se presentó inmunodepresión por VIH en 23 casos (47,92 %); antecedente de sífilis, 4 casos (8,33 %); herpes genital, 3 casos (6,25 %); verrugas genitales, 2 casos (4,17 %). Afectó a 47 hombres (97,92 %), entre ellos a homosexuales (58,33 %), 13 heterosexuales (27,08 %) y 7 bisexuales (14,58 %). Diez de ellos tuvieron contacto con personas con la Mpox (20,83 %) en su domicilio, 7 (14,59 %) en el trabajo, 5 (10,42 %) en una fiesta y 2 (4,17 %) en un bar. Conclusiones: La Mpox se manifestó principalmente en hombres homosexuales y bisexuales no vacunados contra la viruela humana. Los principales síntomas fueron fiebre, astenia y linfadenopatía con predominio inguinal. Además, el exantema fue polimórfico en todos los casos, la enfermedad duró de 17 a 45 días, las complicaciones fueron excepcionales, el 50 % de casos tuvieron inmunodepresión por VIH y la letalidad fue de 6,25 %.

ABSTRACT Objective: To describe the clinical and epidemiological characteristics of monkeypox (mpox) among the insured population of La Libertad at Seguro Social de Salud (EsSalud Social Health Insurance System). Materials and methods: A descriptive study, whose data were collected from clinical-epidemiological records and medical records; the cases with symptoms and positive PCR results were considered. The study variables were signs and symptoms, duration of the disease, medical history, sex, age, sexual orientation and place of contact with someone with mpox. Absolute and relative frequencies and confidence intervals were calculated. Results: Mpox was developed by the insured population between July 15 and December 31, 2022, and 48 cases were reported. The clinical characteristics were fever (54.17 %), asthenia and lymphadenopathy (52.08 %) (in the inguinal [25 %], cervical [12 %] and axillary [5 %] areas), myalgia and back pain (43.75 %), sore throat (37.50 %), chills (5 %) and polymorphous and centrifugal rash (100 %). In addition, there were complications (6.25 %) and one person died (case fatality rate 6.25 %). HIV immunosuppression, history of syphilis, genital herpes and genital warts occurred in 23 (47.92 %), four (8.33%), three (6.25 %) and two (4.17 %) cases, respectively. It affected 47 men (97.92 %), including 28 homosexuals (58.33 %), 13 heterosexuals (27.08 %) and seven bisexuals (14.58 %). Ten of them had contact with someone with mpox at home (20.83 %), seven at work (14.59 %), five at a party (10.42 %) and two at a bar (4.17 %). Conclusions: Mpox occurred mainly in homosexual and bisexual men not vaccinated against human smallpox. The most common symptoms were fever, asthenia and lymphadenopathy, mainly in the inguinal area. Moreover, all cases developed polymorphous rash, the duration of the disease was 17 to 45 days, complications were exceptional, 50 % of the cases had HIV immunosuppression and the case fatality rate was 6.25 %.

Análise da influência de determinantes meteorológicos na periodicidade de epidemias de dengue em Porto Alegre / Analysis of the influence of meteorological determinants on the periodicity of dengue epidemics in Porto Alegre

A incidência da dengue, doença viral transmitida pelo mosquito Aedes aegypti, vem crescendo em Porto Alegre ao longo dos anos, com recorde de casos registrados em 2022. Epidemias da doença parecem ocorrer de forma cíclica no município, com registros a cada três anos. Dada a influência de fatores climáticos no ciclo de vida do vetor, este trabalho buscou analisar a influência de determinantes meteorológicos na periodicidade de epidemias de dengue na capital gaúcha entre 2010 e 2022. Análises descritivas foram realizadas para averiguar o padrão dos indicadores climáticos e dos casos de dengue ao longo dos anos, ao passo que análises estatísticas foram feitas para avaliar a correlação entre os fatores climáticos e os casos autóctones registrados entre 2016 e 2022. Os resultados obtidos não apontaram padrões meteorológicos que se repetem a cada três anos e que poderiam explicar a ciclicidade observada. Ainda, não foram constatadas correlações entre temperatura, umidade e pluviosidade com casos autóctones de dengue no município, ao menos em nível quadrimestral. Para além destas análises, constatou-se expressivo aumento de casos em 2022, apesar dos esforços de controle desempenhados pelo poder público, o que aponta a necessidade de maior investimento em educação em saúde para a população. (AU)

The incidence of dengue, a viral disease transmitted by the Aedes aegypti mosquito, has been increasing in Porto Alegre over the years, with a record number of cases reported in 2022. Epidemics of the disease seem to occur cyclically in the city, with reports every three years. Given the influence of climatic factors on the vector's life cycle, this study aimed to analyze the influence of meteorological determinants on the periodicity of dengue epidemics in Porto Alegre between 2010 and 2022. Descriptive analyses were used to investigate the pattern of climatic indicators and dengue cases over the years, while statistical analyses were performed to evaluate the correlation between climatic factors and autochthonous cases registered between 2016 and 2022. The results did not point out meteorological patterns that repeat every three years and could explain the observed cyclicity. Furthermore, no correlations were found between temperature, humidity and rainfall and autochthonous dengue cases in the city, at least on a four-monthly basis. Beyond these analyses, a significant increase in dengue cases was observed in 2022, despite the efforts of the public authorities to control the disease, which highlights the need for greater investment in health education for the population. (AU)

Investigação de surtos e epidemias: transformações na teoria, nos conceitos e nas práticas do século XVIII ao século XXI / Outbreaks and epidemics investigations: changes in theories, concepts, and practices from the 18th to the 21st century

Resumo Este ensaio objetiva discutir as investigações de surtos e epidemias, desde os primeiros relatos disponíveis na literatura científica do século XVIII até o momento atual, utilizando para sua construção artigos científicos e livros sobre a temática. O principal argumento desenvolvido é a passagem de abordagens qualitativas da epidemiologia, predominantes nos períodos iniciais, para a abordagem quantitativa, que inicialmente convive com a qualitativa, mas se torna dominante a partir da segunda metade do século XIX. Conclui-se com uma breve reflexão sobre o momento atual de enfrentamento da epidemia da covid-19.

Abstract This essay aims to discuss the investigation of outbreaks and epidemics, from the first reports available in scientific literature from the 18th century to the present time, using scientific articles and books on the subject for its construction. The main argument developed is the transition from qualitative approaches of epidemiology, which predominated in the early periods, to the quantitative approach, which initially coexists with the qualitative one but became dominant from the second half of the 19th century. It concludes with a brief reflection on the current moment of confronting the COVID-19 epidemic.

Caracterización clínica-epidemiológica de COVID-19

Las epidemias y las pandemias son eventos de ocurrencia natural. La aparición de una nueva enfermedad infecciosa supone siempre una situación compleja, sobre todo si lo hace como una epidemia de extensión o gravedad significativa, con el objetivo de describir las características clínico-epidemiológicas en pacientes confirmados con COVID-19. Se realizó un estudio descriptivo y retrospectivo sobre las características clínico-epidemiológicas de los 161 pacientes diagnosticados con esta enfermedad, en el municipio Yara, de la provincia Granma durante el período comprendido de junio de 2020-2021. Se estudiaron las variables: edad, sexo, lugar de infección, presencia o no de síntomas y signos, antecedentes patológicos personales, área de salud y consejo popular. El 60,8% de los afectados fueron del sexo femenino con 98 pacientes y el grupo de 30-44 años de edad quedó representado por 50 pacientes (31.0%); en 150 casos, la transmisión fue mayormente autóctona (93,1%) y asintomática en 86 casos para el 53,4%. De los pacientes sintomáticos fueron las manifestaciones respiratorias, los principales síntomas con 70 casos para el 93,3%, 63 pacientes tenían antecedentes personales de hipertensión arterial (39,1%). El área de salud que más casos notificó fue "Luis Enrique de la Paz" con 106 pacientes para el 65,8% y Yara el consejo popular más afectado con 72 casos (44,7%), la mayoría de los pacientes fueron del sexo femenino, predominó la transmisión autóctona y la presentación asintomática. La epidemia en el municipio Yara se comportó similar al resto del país.

Epidemics and pandemics are naturally occurring events. The emergence of a new infectious disease is always a complex situation, especially when it occurs as an epidemic of significant spread or severity. The aim of this study was to describe the clinical-epidemiologic characteristics of patients confirmed with COVID-19. A descriptive and retrospective study was carried out on the clinical-epidemiological characteristics of 161 patients diagnosed with this disease, in the municipality of Yara, province of Granma. The following variables were studied: age, sex, site of infection, presence or not of symptoms and signs, personal pathological antecedents, health area and locality. Out of the total, 98 patients were female (60.8%), and the age group 30-44 years was represented by 50 patients (31.0%). Transmission was generally autochthonous in 150 cases (93.1%), and asymptomatic in 86 cases (53.4%). Among the symptomatic patients, respiratory manifestations were the main symptom in 70 cases (93.3%). Also, 63 patients had a personal medical history of hypertension (39.1%). Luis Enrique de la Paz was the health area that reported the most cases with 106 patients (65.8%), and Yara was the most affected locality with 72 cases (44.7%). The majority of patients were female; and autochthonous transmission and asymptomatic presentation predominated. The epidemic in Yara municipality behaved alike in the whole country.

Epidemias e pandemias são eventos naturais. O surgimento de uma nova doença infecciosa é sempre uma situação complexa, especialmente se for uma epidemia de extensão ou gravidade significativa, com o objetivo de descrever as características clínico-epidemiológicas em pacientes confirmados com COVID-19. Foi realizado um estudo descritivo e retrospectivo sobre as características clínico-epidemiológicas dos 161 pacientes diagnosticados com essa doença, no município de Yara, província de Granma, no período de junho de 2020 a 2021, as variáveis foram estudadas: idade, sexo, local de infecção, presença ou não de sintomas e sinais, história patológica pessoal, área de saúde e conselho popular. O 60,8% dos acometidos eram do sexo feminino com 98 pacientes e a faixa etária de 30 a 44 anos foi representada por 50 pacientes (31,0%); Em 150 casos, a transmissão foi predominantemente autóctone (93,1%) e assintomática em 86 casos para 53,4%, entre os sintomáticos foram manifestações respiratórias, sendo os principais sintomas 70 casos para 93,3%, 63 pacientes tinham história pessoal de hipertensão arterial (39,1%). A área de saúde que mais registrou casos foi "Luis Enrique de la Paz" com 106 pacientes para 65,8% e Yara o município popular mais afetado com 72 casos (44,7%), a maioria dos pacientes era do sexo feminino, de transmissão autóctone e apresentação assintomática. A epidemia no município de Yara se comportou de forma semelhante ao resto do país.

Space-time dispersion of dengue occurrence in epidemic and non-epidemic years in a municipality in the metropolitan region of Belo Horizonte, MG, 2011 to 2017 / Dispersão espaçotemporal da ocorrência de dengue em anos epidêmicos e não epidêmicos em município da região metropolitana de Belo Horizonte, MG, 2011 a 2017

ABSTRACT Objective: To analyze the transmission dynamics of dengue, a public health problem in Brazil and the Metropolitan Region of Belo Horizonte (MRBH). Methods: The spatiotemporal evolution of the occurrence of dengue in the municipality of Contagem, state of Minas Gerais, a region with high arbovirus transmission, was analyzed. Furthermore, epidemic and non-epidemic periods were analyzed, based on probable cases of dengue. This is an ecological study that used the Notifiable Diseases Information System (SINAN) national database. The analyses were carried out considering the period from epidemiological week (EW) 40 of 2011 to 39 of 2017. Spatial analysis tools (crude and smoothed incidence rate, directional distribution ellipse, global Moran index and local Moran index, and spatial scanning time with definition of epidemiological risk) were used. Results: The 2012 to 2013 and 2015 to 2016 epidemic cycles presented high incidence rates. The disease was concentrated in more urbanized areas, with a small increase in cases throughout the municipality. Seven statistically significant local clusters and areas with a high rate of cases and accentuated transmission in epidemic cycles were observed throughout the municipality. Spatial autocorrelation of the incidence rate was observed in all periods. Conclusion: The results of the present study highlight a significant and heterogeneous increase in dengue notifications in Contagem over the years, revealing distinct spatial patterns during epidemic and non-epidemic periods. Geoprocessing analysis identified high-risk areas, a piece of knowledge that can optimize the allocation of resources in the prevention and treatment of the disease for that municipality.

RESUMO Objetivo: Analisar a dinâmica de transmissão da dengue, problema de saúde pública no Brasil e Região Metropolitana de Belo Horizonte (RMBH). Métodos: Foi analisada a evolução espaçotemporal da ocorrência de dengue no município de Contagem, estado de Minas Gerais, região de alta transmissão da arbovirose. Ainda, foram analisados períodos epidêmicos e não epidêmicos, com base em casos prováveis de dengue. Trata-se de um estudo ecológico que utilizou o banco de dados nacional do Sistema de Informação de Agravos de Notificação (SINAN). As análises foram realizadas considerando-se o período compreendido da semana epidemiológica 40 de 2011 a 39 de 2017. Ferramentas de análise espacial (taxa de incidência bruta e suavizada, elipse de distribuição direcional, índice de Moran global e índice de Moran local, e varredura espaçotemporal com definição do risco epidemiológico) foram utilizadas. Resultados: Os ciclos epidêmicos 2012 a 2013 e 2015 a 2016 apresentaram altas taxas de incidência. A doença concentrou-se em áreas mais urbanizadas, com pequena expansão de casos por todo o município. Foram observados sete aglomerados locais estatisticamente significativos e áreas com alta taxa de casos e transmissão acentuada em ciclos epidêmicos em todo o município. A autocorrelação espacial da taxa de incidência foi observada em todos os períodos. Conclusão: Os resultados do presente estudo destacam um aumento significativo e heterogêneo nas notificações de dengue em Contagem ao longo dos anos, revelando padrões espaciais distintos durante períodos epidêmicos e não epidêmicos. A análise de geoprocessamento identificou áreas de alto risco, conhecimento este que pode otimizar a alocação de recursos na prevenção e tratamento da doença para o referido município.

Estimación retrospectiva de los casos iniciales de COVID-19 en Santiago Región Metropolitana en Chile / Retrospective estimation of initial COVID-19 infections in the Santiago Metropolitan Region in Chile

Objetivo: Estimar los casos diarios de COVID-19 durante el primer año de pandemia en Santiago Región Metropolitana (SRM) y en Chile con cifras más realistas que las registradas oficialmente. Método: Estimación retrospectiva de los casos diarios a partir de los datos diarios de fallecimientos por COVID-19, un estudio de seroprevalencia y el algoritmo REMEDID (Retrospective Methodology to Estimate Daily Infections from Deaths). Resultados: En SRM se observa que: 1) el pico máximo de contagios fue superior al doble del registrado en las estadísticas oficiales; 2) dicho pico se alcanzó el 22 de mayo de 2020 (IC95%: 20 a 24 de mayo), esto es, 24 días antes de la fecha oficial del pico de contagios; y 3) el primer contagio estimado tuvo lugar el 28 de enero de 2020 (IC95%: 21 de enero a 16 de febrero), esto es, 36 días antes de la fecha oficial. En Chile, la situación es similar. Durante la primera ola, SRM concentró el 70-76% de los infectados de Chile, mientras que a partir de agosto de 2020 solo concentró el 36-39%. Conclusiones: Los registros oficiales de casos de COVID-19 en SRM y Chile infravaloraron el número real de positivos y mostraron un retraso de alrededor de un mes en la dinámica de contagios. Esta no es una situación aislada, ya que se sabe que también ha sido así en otros países. No obstante, es importante disponer de estimaciones fidedignas para una correcta modelización de la expansión del virus.(AU)

Objective: Estimate daily infections of COVID-19 during the first year of the pandemic in the Santiago Metropolitan Region (SRM) in Chile and Chile that are more realistic than those officially registered. Method: Retrospective estimate of daily infections from daily data on COVID-19 deaths, a seroprevalence study, and the REMEDID (Retrospective Methodology to Estimate Daily Infections from Deaths) algorithm. Results: In SRM, it is observed that: 1) the maximum peak of infections was more than double that registered in the official statistics; 2) such peak was reached on May 22 (95% CI: 20–24 May), 2022, that is, 24 days before the official date of the peak of infections; and 3) the first estimated contagion took place on January 28, 2020 (95% CI: January 21 to February 16), that is, 36 days before the official date. In Chile, the situation is similar. During the first wave SRM accounted for 70%–76% of those infected in Chile, while from August 2020 onwards it accounted for 36%–39%. Conclusions: The official records of COVID-19 infections in SRM and Chile underestimated the real number of positives and showed a delay of about a month in the dynamics of infections. This is not an isolated situation, as it is known to have been the case in other countries as well. However, it is important to have reliable estimates for a correct modeling of the spread of the virus.(AU)

A gripe em Portugal. O caso da gripe russa (1889-1890) / The influenza in Portugal. The case of russian flu (1889-1890)

Este trabalho trata da gripe em Portugal, dando particular destaque à gripe russa. Não será abordada a “gripe espanhola”, dada a profusão de estudos já publicados nos últimos anos sobre esta pandemia. O nosso objetivo consiste em mostrar a antiguidade da doença em Portugal, bem como a sua recorrência ao longo dos séculos, incluindo na contemporaneidade, quando a gripe alcançou maior incidência. Os periódicos e as publicações médicas são a principal base do nosso trabalho, que pretende ser um contributo para o estudo de uma doença que não tem merecido a atenção que, decerto, é devida, designadamente da parte da História.(AU)

This work deals with influenza in Portugal, with particular emphasis on the Russian flu. The Spanish flu will not be addressed, given the profusion of studies already published in recent years on this pandemic. Our objective is to show the antiquity of the disease in Portugal, as well as its recurrence over the centuries, including in contemporary times, when the flu reached a higher incidence. Medical journals and publications are the main basis of our work, which aims to be a contribution to the study of a disease Grathat has not received the attention it certainly deserves, namely from the part of History.(AU)

Nuevos y viejos aspectos de la gripe / Old and new aspects of influenza

La gripe es una enfermedad infecciosa clásica que, a través de la continua variación que experimentan los virus que la producen, nos impone nuevos retos que debemos solventar con la mayor celeridad posible. La pandemia de COVID-19 ha modificado sustancialmente el comportamiento de la gripe y de otros virus respiratorios, y en los próximos años tendremos que convivir con un nuevo patógeno que probablemente interactuará con los existentes bajo un prisma que de momento no alcanzamos a vislumbrar. Sin embargo, los conocimientos previos a la pandemia nos permiten focalizar en los aspectos que se deben modificar para que la gripe sea un reto asumible a futuro. En esta revisión se hace hincapié en los aspectos más relevantes de la epidemiología, la carga de enfermedad, el diagnóstico y la prevención mediante vacunas, y cómo fluyen las tendencias científicas y clínicas en dichos aspectos desde lo anteriormente conocido a los retos futuros (AU)

Influenza is a classic infectious disease that, through the continuous variation of the viruses that produce it, imposes new challenges that we must solve as quickly as possible. The COVID-19 pandemic has substantially modified the behavior of influenza and other respiratory viruses, and in the coming years we will have to coexist with a new pathogen that will probably interact with existing pathogens in a way that we cannot yet glimpse. However, knowledge prior to the pandemic allows us to focus on the aspects that must be modified to make influenza an acceptable challenge for the future. In this review, emphasis is placed on the most relevant aspects of epidemiology, disease burden, diagnosis, and vaccine prevention, and how scientific and clinical trends in these aspects flow from the previously known to future challenges (AU)

Old and new aspects of influenza. / Nuevos y viejos aspectos de la gripe.

Influenza is a classic infectious disease that, through the continuous variation of the viruses that produce it, imposes new challenges that we must solve as quickly as possible. The COVID-19 pandemic has substantially modified the behavior of influenza and other respiratory viruses, and in the coming years we will have to coexist with a new pathogen that will probably interact with existing pathogens in a way that we cannot yet glimpse. However, knowledge prior to the pandemic allows us to focus on the aspects that must be modified to make influenza an acceptable challenge for the future. In this review, emphasis is placed on the most relevant aspects of epidemiology, disease burden, diagnosis, and vaccine prevention, and how scientific and clinical trends in these aspects flow from the previously known to future challenges.

Viruela del mono y hombres que tienen sexo con hombres: la necesidad de tratarla con una perspectiva desestigmatizante / Monkeypox and men who have sex with men: we need to treat it with a destigmatizing perspective

La viruela del mono es una zoonosis, que se transmite por contacto estrecho, y que ha producido recientemente un gran broteepidémico en zonas no endémicas, calificado como Emergencia de Salud Pública de importancia internacional por la OrganizaciónMundial de la Salud (OMS). La respuesta tibia y tardía a nivel global, y el enfoque estigmatizante sobre los hombres que tienen sexocon hombres (los principales afectados) promovido por la opinión pública, algunos científicos, agentes sociopolíticos y medios decomunicación, podrían ser algunos de los motivos por los que aún no se ha contenido la epidemia. El estigma asociado a la enfer-medad produce daños severos en sus víctimas y dificulta las acciones dirigidas al control de la enfermedad, como ya ocurrió conel VIH. Para limitar el estigma y contener el brote, los científicos deben dirigir la difusión de información científicamente validada,educar a la población sobre prevención, sobre sintomatología, sobre cómo actuar en caso de sospecha y sobre la importancia de noestigmatizar. También se debe actuar sobre las víctimas del estigma para eliminar sus consecuencias y fomentar su autoeficacia. Lasintervenciones de salud deben realizarse con los actores políticos y sociales para integrar la evidencia en la normativa y procedimientos, así como para facilitar la acción de la Salud Pública. Asimismo, los expertos deben colaborar con los medios de comunicaciónpara facilitar una comunicación en salud adecuada y amonestar las malas prácticas. De igual forma, se debe mejorar la relaciónentre organizaciones y profesionales sanitarios e individuos estigmatizados para optimizar su acceso y retención en los sistemassanitarios. El objetivo del presente estudio fue hacer una revisión sobre la respuesta estigmatizante de algunos agentes políticos, demedios de comunicación y de la opinión social ante la epidemia de viruela del mono, exponer las graves consecuencias del estigma...AU)

Monkeypox is a zoonosis, which is transmitted by direct and close contact, and has recently produced a large epidemic outbreak innonendemic areas, classified as a Public Health Emergency of international concern by the World Health Organization. The globaldoubting and delayed response, and the stigmatizing approach to men who have sex with men promoted by public opinion, somescientists, sociopolitical agents, and the media, could be some of the reasons why the epidemic has not yet been contained. Thestigma around the disease produces severe injuries to its victims and obstructs actions aimed at controlling the disease, as occurredwith HIV in the past. To limit stigma and contain the outbreak, scientists should lead the diffusion of scientifically validated information, educate the population about prevention, symptoms, how to react in case of suspicion and the importance of not contributingto others’ stigmatization. Interventions must also be conducted on victims of stigma to counter act its consequences and encouragetheir selfefficacy. Public health interventions should be carried out in collaboration with political and social actors to integrateevidence into regulations and procedures and facilitate public health interventions. Experts should also work together with the mediato facilitate proper health communication and warn about bad practices. Similarly, the relationship between organizations and healthprofessionals and stigmatized individuals must be improved to optimize their access and retention in health systems. The objective ofthis study was to review the stigmatizing response of some political agents, the media and social opinion to the Monkeypox epidemic,to highlight the consequences of stigma on the patients and the control of the disease. And to establish a series of recommendationsto treat this situation effectively through a non-stigmatizing approach.(AU)

Prospecção Tecnológica de Soluções aplicada a Emergências de Saúde Pública: uma análise das Feiras de Soluções para a Saúde

Objetivos: Com este estudo, buscou-se apresentar a metodologia de aplicação da intervenção do programa Feiras de Soluções para a Saúde, desenvolvida pela Fundação Oswaldo Cruz (Fiocruz), para a prospecção de tecnologias e pesquisa translacional de soluções industriais, sociais e de serviços; e analisar os principais resultados agregados com a proposição de melhorias. Métodos: estudo qualitativo, descritivo, dividido em quatro etapas: 1) descrição da metodologia desenvolvida e aplicada pela Fiocruz para o programa; 2) análise dos resultados extraídos do banco de dados das soluções apresentadas nas feiras e avaliação prospectiva das soluções industriais quanto ao nível de maturidade tecnológica; 3) sistematização dos resultados de uma pesquisa de opinião realizada com atores que apresentaram soluções em uma das quatro feiras; e 4) elaboração de uma matriz contendo os aspectos positivos e melhorias identificadas para etapas futuras das feiras. Resultados: As Feiras realizadas na Bahia (2017), Rio Grande do Sul e Ceará (2019) e a Feira Virtual (2020) permitiram a agregação rápida de soluções desenvolvidas pela sociedade nos contextos das emergências de saúde pública de zika e da doença causada pelo novo coronavírus (Coronavirus Disease 2019 - COVID-19) e na busca dos Objetivos do Desenvolvimento Sustentável. Conclusões: A realização das feiras tem mobilizado milhares de pessoas, envolvendo os principais atores para o enfrentamento de ameaças à saúde, desenvolvimento de economia solidária no nível local e com reflexos extraterritoriais. Verifica-se a consolidação da metodologia aplicada pela Fiocruz e considera-se efetiva a participação dos cidadãos, gestores, pesquisadores e empresários.

Guidelines on epidemics in Mexico. Historical perspective.

A perspective of epidemics and pandemics in Mexico is offered, focusing on three time periods, namely, end of the 18th century, the 20th century, and the 21st century, in order to analyze how they were approached by health and government authorities, as well as the challenges they have represented. Historical documentary sources were consulted and, in current cases, participation in them was analyzed. Epidemiological and social historical methodologies were combined. The presence of epidemics in Mexico is a constant on its evolution, which highlights the need for the epidemiological surveillance system to be updated, the importance of being prepared to face an epidemic and to develop a contingency plan.

Se ofrece una perspectiva de las epidemias y pandemias en México en tres periodos: fines del siglo XVIII y siglos XX y XXI, con el fin de analizar cómo las autoridades sanitarias y gubernamentales abordaron estos problemas, así como los desafíos que han representado. Se consultaron fuentes históricas documentales y, en los casos actuales, la participación en ellos. Se combinó metodología epidemiológica e histórica social. La presencia de las epidemias en México es una constante, lo cual evidencia la necesidad de actualizar el sistema de vigilancia epidemiológica, de estar preparados para enfrentar una epidemia y de elaborar un plan de contingencia.

Preparación y enfrentamiento a la pandemia de la COVID-19

Los desastres sanitarios han afectado la humanidad desde sus albores. En otras epidemias, las bajas causadas se contabilizan por cientos de miles. La preparación para el enfrentamiento a la epidemia de la COVID-19 en el hospital Militar de Matanzas, "Dr. Mario Muñoz Monroy", comenzó tempranamente. Con el objetivo de analizar esa experiencia, se reflexiona sobre los resultados del enfrentamiento en el año 2020, a partir de los principales aspectos, las coordinaciones con otros organismos, las decisiones tomadas, cambios estructurales y modificaciones de procesos institucionales. Consolidar la superación científica ha sido un pilar permanente, junto con la disciplina, la responsabilidad personal y social de los miembros del colectivo.

Health disasters have affected humanity since its dawn. In other epidemics, the casualties caused number in the hundreds of thousands. The preparation for confronting the COVID-19 epidemic at the Military Hospital of Matanzas, "Dr. Mario Muñoz Monroy", began early. In order to analyze this experience, we reflect on the results of the confrontation in 2020, based on the main aspects, the coordination with other organizations, the decisions made, structural changes and modifications of institutional processes. Consolidating scientific improvement has been a permanent pillar, along with discipline, personal and social responsibility of the members of the collective.

Directrices en torno a las epidemias en México. Perspectiva histórica / Guidelines on epidemics in Mexico. Historical perspective

Resumen Se ofrece una perspectiva de las epidemias y pandemias en México en tres periodos: fines del siglo XVIII y siglos XX y XXI, con el fin de analizar cómo las autoridades sanitarias y gubernamentales abordaron estos problemas, así como los desafíos que han representado. Se consultaron fuentes históricas documentales y, en los casos actuales, la participación en ellos. Se combinó metodología epidemiológica e histórica social. La presencia de las epidemias en México es una constante, lo cual evidencia la necesidad de actualizar el sistema de vigilancia epidemiológica, de estar preparados para enfrentar una epidemia y de elaborar un plan de contingencia.

Abstract A perspective of epidemics and pandemics in Mexico is offered, focusing on three time periods, namely, end of the 18th century, the 20th century, and the 21st century, in order to analyze how they were approached by health and government authorities, as well as the challenges they have represented. Historical documentary sources were consulted and, in current cases, participation in them was analyzed. Epidemiological and social historical methodologies were combined. The presence of epidemics in Mexico is a constant on its evolution, which highlights the need for the epidemiological surveillance system to be updated, the importance of being prepared to face an epidemic and to develop a contingency plan.

Pandemias y epidemias ocasionadas por agentes biológicos: un gran azote para la humanidad

Introducción: Las pandemias y epidemias son acontecimientos mundiales de la sociedad humana, que expresan gran catástrofe y desolación, acompañadas de elevada letalidad y repercusión marcada en los servicios de salud. Han diezmado sociedades, de forma similar a las guerras, pero contribuyen al surgimiento de avances en las ciencias. Objetivo: Describir las características y peculiaridades de las pandemias y epidemias ocurridas en diferentes épocas de la historia, en el contexto de la salud pública y su gran repercusión social. Métodos: Se utilizaron las bases de datos SciELO, PubMed, Google Scholar, sitios web de la OMS y la OPS, además de otras fuentes y recursos de información disponibles en Internet a las cuales se accedieron por medio del buscador web de Google. En la elaboración de la estrategia de búsqueda se utilizó el vocabulario controlado de los Descriptores en Ciencias de la Salud. Los términos utilizados fueron: pandemia, epidemia, plaga, peste, vacuna. Se recuperaron 40 artículos y documentos científicos que se seleccionaron dada su pertinencia para la investigación. Conclusiones: Las pandemias y epidemias requieren medidas de promoción de salud que estimulen un adecuado saneamiento ambiental, la disponibilidad del agua potable, correcto lavado de las manos, así como prevenir la expansión del contagio y la disminución de los riesgos que implican el cambio climático, la falta de control de los vectores y la pobreza entre otras, para contribuir a disminuir la morbi-mortalidad. La carencia de estrategias preventivas, obliga a desarrollar centros especializados para producir vacunas, que garanticen la protección específica de poblaciones susceptibles.

Introduction: Pandemics and epidemics are global events in human society, which express great catastrophe and desolation, accompanied by high lethality and marked repercussions on health services. They have decimated societies, similar to wars, but they contribute to the emergence of advances in the sciences. Objective: To describe the characteristics and peculiarities of pandemics and epidemics that occurred at different times in history, in the context of public health and its great social impact. Methods: The SciELO, PubMed, Google Scholar databases, WHO and PAHO websites and other sources and information resources available on the Internet were used, which were accessed through the Google web browser. In the elaboration of the search strategy, the controlled vocabulary of the Descriptors in Health Sciences was used. The terms used were: pandemic, epidemic, rinderpest, plague, vaccine. 40 scientific articles and documents were retrieved and selected given their relevance for the investigation. Conclusions: Pandemics and epidemics require health promotion measures that stimulate adequate environmental sanitation, the availability of drinking water, correct hand washing, as well as preventing the spread of contagion and reducing the risks implied by climate change, lack of vector control and poverty among others, to contribute to reducing morbidity and mortality. The lack of preventive strategies forces the development of specialized centers to produce vaccines that guarantee the specific protection of susceptible populations.

Cuando el presente puede ayudar a refinar las interpretaciones del pasado: covid-19 en tiempo real y la historiografía de las epidemias / When the present can help refine interpretations of the past: covid-19 in real time and the historiography of epidemics

Resumen Estas notas abordan la proliferación de discursos con enfoques improvisados, desinformados, apocalípticos y voluntaristas. Enfatizan cuestiones como la ignorancia sobre la historia de las epidemias, y también la incapacidad para lidiar con las incertidumbres que reinan durante las pandemias, así como los anuncios que este extraordinario evento sanitario produciría un profundo parteaguas en todos los órdenes de la vida y en todos los rincones del mundo. Finalmente, estas notas buscan señalar cómo el presente puede iluminar el estudio del pasado - o, de modo más personal, lo que creo haber aprendido como historiador en los tiempos de la pandemia de la covid-19.

Abstract These notes address the proliferation of discourses with improvised, uninformed, apocalyptic and voluntarist approaches. They emphasize issues such as the widespread ignorance about the history of epidemics, and the inability to deal with the uncertainties that reign during pandemic times, as well as the announcements that this extraordinary health/sanitary event would produce a profound watershed in all walks of life and in all corners of the world. Finally, these notes seek to point out how the present can illuminate the study of the past - or, more personally, what I think I have learned as a historian in the times of the covid-19 pandemic.