ABSTRACT
The coronavirus pandemic brought an unprecedented disruption to society, with this, the impacts fostered by the crisis also extended to educational institutions. The aim of this study was to investigate whether higher education activities can be considered a stressor in a pandemic context. The sample consisted of 136 students with remote academic activities and 131 with suspended academic activities, who answered a sociodemographic questionnaire and an open question about the factors that have raised the level of stress in the months of April, May, June and July 2020. The textual corpus was processed with the aid of the Interface de R pour les Analyses Multidimensionnelles de Textes et de Questionnaires software. As a result, there were several stressors related or not related to academic activities for both groups, although the performance of digital academic activities has been pointed out with great frequency. Thus, digital academic activities are related to the level of stress among students © 2023 Associação Nacional de Pós-Graduação e Pesquisa em Educação – ANPEd. This is an open access article distributed under the terms of the Creative Commons license
ABSTRACT
Objetivo: Quantificar e determinar a prevalencia dos tipos sanguineos em nossa regiao. Materiais e metodos: Foi realizada coleta de dados dos arquivos de laudos imunohematologicos dos pacientes que receberam transfusao de hemocomponentesem nosso servico de imunohematologia da Santa Casa de Ourinhos entre os anos de 2018 ate julho de 2022, realizamos o levantamento das Fenotipagens ABO/RhD, realizados pela metodologia convencional em tubo empregando anti-soros. Para a analise dos resultados aplicamos estatistica simples. Resultados: Dentre os 3129 pacientes catalogados, 1641 eram do sexo feminino disposto em 41,44%(680) O positivo;6,09%(100) O negativo;35,22%(578) A positivo;3,96%(65) A negativo;8,84%(145) B positivo;1,34%(22) B negativo;2,86%(47) AB positivo;0,24%(4) AB negativo;1488 do sexo masculino disposto em 41,13% (612) O positivo;5,11% (76) O negativo;33,13%(493) A positivo;4,10%(61) A negativo;11,20%(167) B positivo;0,94%(14) B negativo;3,90%(58) AB positivo;0,47%(7) AB negativo. Discussao: A prevalencia da distribuicao fenotipica do sistema ABO foi de maioria O e A em ambos os sexos, em contrapartidaos tipos sanguineos B e AB aparecem em menor intensidade. Voltando a atencao para o RhD foi observado uma prevalencia de pacientes positivos para esse grupo, representando 88,85%. Atualmente no Brasil, estima-se que a producao de hemocomponentes supere 8 milhoes de unidades ao ano, o que possibilita cerca de 1,7 milhao de transfusoes. Quando o isolamento social foi decretado no estado de Sao Paulo, os bancos de sangue entraram em estado de alerta para com seus doadores pois os hemocomponentes mais utilizados em procedimentos de emergencia sao os concentrados de hemacias (CH), plasma fresco congelado (PFC) e concentrados plaquetas (CP). Nos anos de 2020 e 2021 os pacientes diagnosticados com COVID-19 necessitavam de grandes quantidades de CH, por conta de anemias causadas pela doenca. Conclusao: O estudo da prevalencia dos tipos sanguineos e de grande importancia para que haja por parte do banco de sangue uma captacao de doadores do mesmo perfil e com isso nao acarrete a falta de hemocomponentes no atendimento do paciente. Essas informacoes podem ser utilizadas em futuros estudos demograficos onde haja relacao entre tipagens sanguineas e certas patologias, como hemorragias ou neoplasias. Copyright © 2022
ABSTRACT
Brazil’s e-commerce system has changed around insecurity and low-quality delivery, not being efficient and effective. In response to the Covid-19 pandemic, the Brazilian population was forced to leave insecurity and use e-commerce. But are the significant issues resolved? How do people shop online? What does the Brazilian market like when shopping online? In what ways do Brazilians use e-commerce? Has behavior changed? These are the critical aspects of this study. In an online survey of convenience, a probability sample conducted using a snowball method. The survey pointed out that the acceleration of e-commerce shows the urgency to ensure that the country can better use e-commerce to take advantage of the digitalization opportunities and help the government in its economic recovery. © 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.
ABSTRACT
How far can a whole social routine be transformed after the restrictions imposed by the Covid-19 pandemic? It is possible that it has impacted human factors and ergonomics, such as sleep, physical activity, mental health and activities of daily living. It is necessary to focus on society currently, and to determine new forms of interaction in search of a better quality of life. The objective of this work is to determine the extent the restrictions imposed by the Covid-19 influenced human behavior in relation to style and quality of life, whether or not imposing new routines, and whether these, such as these, may impact the change of a society. To better understand the impact of the Covid-19 pandemic on society, human factors variables were raised, and a survey study, where several people were able to answer and share their experiences in the midst of the restrictions of the pandemic when answering an online questionnaire. The research seeks by asking questions to the target audience on variables related to the home environment, employment situation, work routine and health in general. In addition, the research explores symptoms of depression and anxiety, as well as sleep, wakefulness, and physical activity levels. There is a need for a new direction in research to monitor the changes across society, seeking a vision of a new society, which emerges in the face of a disruptive period, which impacts the entire planet. © 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.
ABSTRACT
The damage of the novel Coronavirus disease (COVID-19) is reaching an unprecedented scale. There are numerous classical epidemiology models trying to quantify epidemiology metrics. To forecast epidemics, classical approaches usually need parameter estimations, such as the contagion rate or the basic reproduction number. Here, we propose a data-driven, parameter-free, geometric approach to access the emergence of a pandemic state by studying the Forman-Ricci and Ollivier-Ricci network curvatures. Discrete Ollivier-Ricci curvature has been used successfully to forecast risk in financial networks and we suggest that those results can provide analogous results for COVID-19 epidemic time-series. We first compute both curvatures in a toy-model of epidemic time-series with delays, which allows us to create epidemic networks. We also compared our results to classical network metrics. By doing so, we are able to verify that the Ollivier-Ricci and Forman-Ricci curvatures can be a parameter-free estimate for identifying a pandemic state in the simulated epidemic. On this basis, we then compute both Forman-Ricci and Ollivier-Ricci curvatures for real epidemic networks built from COVID-19 epidemic time-series available at the World Health Organization (WHO). This approach allows us to detect early warning signs of the emergence of the pandemic. The advantage of our method lies in providing an early geometrical data marker for the pandemic state, regardless of parameter estimation and stochastic modelling. This work opens the possibility of using discrete geometry to study epidemic networks.