COVID-19 Sample Pooling: From RNA Extraction to Quantitative Real-time RT-PCR.

The COVID-19 pandemic requires mass screening to identify those infected for isolation and quarantine. Individually screening large populations for the novel pathogen, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), is costly and requires a lot of resources. Sample pooling methods improve the efficiency of mass screening and consume less reagents by increasing the capacity of testing and reducing the number of experiments performed, and are therefore especially suitable for under-developed countries with limited resources. Here, we propose a simple, reliable pooling strategy for COVID-19 testing using clinical nasopharyngeal (NP) and/or oropharyngeal (OP) swabs. The strategy includes the pooling of 10 NP/OP swabs for extraction and subsequent testing via quantitative real-time reverse transcription polymerase chain reaction (RT-qPCR), and may also be applied to the screening of other pathogens.

Aortic thrombosis and acute limb ischemia after ChAdOx1 nCov-19 (Oxford-AstraZeneca) vaccination: a case of vaccine-induced thrombocytopenia and thrombosis (VITT).

INTRODUCTION: Vaccine-induced thrombocytopenia and thrombosis (VITT) is a rare but devastating adverse event associated with the ChAdOx1 nCoV-19 (Oxford-AstraZeneca) adenoviral vaccine against the Severe Acute Respiratory Syndrome CoronaVirus-2 (SARS-CoV-2). METHODS: A 49-year-old man presented to the emergency department with acute right limb ischemia (Rutherford IIB) nine days after his ChAdOx1 nCoV-19 (Oxford-AstraZeneca) vaccination. CT angiography revealed significant aortic thrombosis and right femoral artery occlusion. Severe thrombocytopenia (platelet count of 23 × 103/µL), promptly elevated D-dimers (37937 ng/mL) and a reduced fibrinogen level (176 mg/dL) were remarkable. ELISA testing for anti-PF4 antibodies confirmed the diagnosis of VITT. RESULTS: An emergency revascularization of the right leg was provided via thrombectomy. High-dose intravenous immunoglobulins were administered whereafter the platelet count restored gradually. Therapeutic anticoagulation was progressively started. The postoperative course was uneventful and follow-up imaging after four weeks showed an almost complete resolution of the significant aortic thrombosis. CONCLUSION: Early recognition and appropriate counseling of VITT is advocated to pursue a good clinical outcome. Our patient presenting with severe aortic thrombosis and acute limb ischemia was successfully treated by a vascular thrombectomy along with intravenous immunoglobulins and anticoagulation therapy as the mainstay therapy.

Production of the Receptor-binding Domain of the Viral Spike Proteins from 2003 and 2019 SARS CoVs and the Four Common Human Coronaviruses for Serologic Assays and Inhibitor Screening.

The recombinant receptor-binding domain (RBD) of the viral spike protein from SARS-CoV-1 and 2 are reliable antigens for detecting viral-specific antibodies in humans. We and others have shown that the levels of RBD-binding antibodies and SARS-CoV-2 neutralizing antibodies in patients are correlated. Here, we report the expression and purification of properly folded RBD proteins from SARS and common-cold HCoVs in mammalian cells. RBD proteins were produced with cleavable tags for affinity purification from the cell culture medium and to support multiple immunoassay platforms and drug discovery efforts. Graphic abstract: High-Yield Production of Viral Spike RBDs for Diagnostics and Drug Discovery.

COVID-19 and stroke: A review.

COVID-19 patients have presented with a wide range of neurological disorders, among which stroke is the most devastating. We have reviewed current studies, case series, and case reports with a focus on COVID-19 patients complicated with stroke, and presented the current understanding of stroke in this patient population. As evidenced by increased D-dimer, fibrinogen, factor VIII and von Willebrand factor, SARS-CoV-2 infection induces coagulopathy, disrupts endothelial function, and promotes hypercoagulative state. Collectively, it predisposes patients to cerebrovascular events. Additionally, due to the unprecedented strain on the healthcare system, stroke care has been inevitably compromised. The underlying mechanism between COVID-19 and stroke warrants further study, so does the development of an effective therapeutic or preventive intervention.

The zoonotic and natural foci characteristics of SARS-CoV-2.

The origin of SARS-CoV-2 is still an unresolved mystery. In this study, we systematically reviewed the main research progress of wild animals carrying virus highly homologous to SARS-CoV-2 and analyzed the natural foci characteristics of SARS-CoV-2. The complexity of SARS-CoV-2 origin in wild animals and the possibility of SARS-CoV-2 long-term existence in human populations are also discussed. The joint investigation of corona virus carried by wildlife, as well as the ecology and patho-ecology of bats and other wildlife, are key measures to further clarify the characteristics of natural foci of SARS-CoV-2 and actively defend against future outbreaks of emerging zoonotic diseases.

Epidemiological modelling of the health and economic effects of COVID-19 control in Australia's second wave.

BACKGROUND: We investigated the public health and economy outcomes of different levels of social distancing to control a 'second wave' outbreak in Australia and identify implications for public health management of COVID-19. METHODS: Individual-based and compartment models were used to simulate the effects of different social distancing and detection strategies on Australian COVID-19 infections and the economy from March to July 2020. These models were used to evaluate the effects of different social distancing levels and the early relaxation of suppression measures, in terms of public health and economy outcomes. RESULTS: The models, fitted to observations up to July 2020, yielded projections consistent with subsequent cases and showed that better public health outcomes and lower economy costs occur when social distancing measures are more stringent, implemented earlier and implemented for a sufficiently long duration. Early relaxation of suppression results in worse public health outcomes and higher economy costs. CONCLUSIONS: Better public health outcomes (reduced COVID-19 fatalities) are positively associated with lower economy costs and higher levels of social distancing; achieving zero community transmission lowers both public health and economy costs compared to allowing community transmission to continue; and early relaxation of social distancing increases both public health and economy costs.

COVID-19 and low-dose radiation therapy.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative pathogen of the coronavirus disease 2019 (COVID-19), has caused more than 179 million infections and 3.8 million deaths worldwide. Global health authorities working on the COVID-19 outbreak continue to explore methods to reduce the rate of its transmission to healthy individuals. Treatment protocols thus far have focused on social distancing and masking, treatment with antivirals early in infection, and steroids to reduce the inflammatory response. An alternative approach is therapy with low dose radiation (LDR), which has several advantages compared to the current drugs and medicines. To date more than 10 case reports and pilot clinical trial preliminary outcome are available from different countries. These reports cover a wide range of patient conditions and LDR treatment strategies. Although one report showed the failure to observe the improvement of COVID-19 patients after LDR therapy, the majority showed some clinical improvement, and demonstrated the safety of LDR for COVID-19 patients, particularly with 0.5 â€‹Gy. This review aims to summarize the potential rationales and mechanisms of LDR therapy for COVID-19 patients, and its current clinical status and potential use.

COVID 19 infection: Pediatric perspectives.

The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly spread across the globe, causing innumerable deaths and a massive economic catastrophe. Exposure to household members with confirmed COVID-19 is the most common source of infection among children. Children are just as likely as adults to get infected with SARS-CoV-2. Most children are asymptomatic and when symptoms occur, they are usually mild. Infants <12 months old are at a higher risk for severe or critical disease. COVID-19 is diagnosed the same way in pediatric population as adults by testing specimen obtained from upper respiratory tract for nucleic acid amplification test (NAAT) using reverse transcriptase viral polymerase chain reaction (RT-PCR). The common laboratory findings in hospitalized patient include leukopenia, lymphopenia, and increased levels of inflammatory markers. Chest X-ray findings are variable and computed tomography scans of the chest may show ground glass opacities similar to adults or non-specific findings. Prevention is the primary intervention strategy. Recently the U.S. Food and Drug Administration (FDA) has provided emergency authorization of the Pfizer-BioNTech COVID-19 vaccine and many other vaccine candidates are in the investigational stage. There is limited data in children on the use of antivirals, hydroxychloroquine, azithromycin, monoclonal antibody, and convalescent plasma. Oxygen therapy is required in hypoxic children (saturation <92%). Similar to adults, other measures to maintain oxygenation such as high flow nasal cannula, CPAP, or ventilatory support may be needed. Ventilatory management strategies should include use of low tidal volumes (5-6 cc/kg), high positive expiratory pressure, adequate sedation, paralysis, and prone positioning. Recently, a new entity associated with COVID-19 called multisystem inflammatory syndrome in children (MIS-C) has emerged. Clinical, laboratory, and epidemiological criteria are the basis for this diagnosis. Management options include ICU admission, steroids, intravenous gamma globulin, aspirin, anakinra, and anticoagulants. Vasoactive-inotropic score (VIS) is used to guide vasopressor support.

Role of lung ultrasonography in the diagnosis of COVID-19 patients admitted to the emergency department.

INTRODUCTION: In this study, the use of lung ultrasonography (LUS) to diagnosis lung findings was evaluated in patients with suspected COVID-19 who were admitted to the emergency department (ED). METHODS: This observational clinical study was conducted in the ED of the Ankara City Hospital during the period April 1-30, 2020. Patients who were admitted to the ED were triaged as COVID-19 infected and who agreed to undergo LUS/LCT (lung computed tomography) were included in the study. RESULTS: Included in the study were 40 patients who had been prediagnosed with COVID-19. Pneumonia was detected with LCT in 32 (80%) patients, while the LUS examination identified pneumonia in 23 patients. The most common finding in LCT was ground-glass opacity (n = 29, 90.6%). Of the 23 patients with pneumonia findings in LUS, 15 (65.2%) had direct consolidation. Among the 32 patients who were found to have pneumonia as a result of LCT, 20 (62.5%) had signs of pneumonia on LUS examination, and 12 had no signs of pneumonia. In addition, 3 patients showed no signs of pneumonia with LCT, but they were misdiagnosed with pneumonia by LUS. The sensitivity of LUS in the diagnosis of pneumonia in the COVID-19 patients was 62.5%, while its specificity was 62.5%. In addition, its positive predictive value was 87.0%, and its negative predictive value was 29.4%. CONCLUSION: LUS may also be used in the diagnosis of pneumonia in COVID-19 patients because it is a valuable and accessible bedside diagnostic tool.

Improving on and assessing ethical guidelines for digital tracking and tracing systems for pandemics.

So-called digital tracking and tracing systems (DTTSs) have been proposed as a means to prevent the spread of SARS-CoV-2. There are ethical guidelines and evaluations of such systems available. As part of a research project, I will build on and critically evaluate the foundations of such guidelines. The goal is to provide both incremental improvements of the specific requirements for DTTSs and to present and discuss more fundamental challenge, the risk for indirect effects and slippery slopes. The nature of slippery slopes makes ethical guidelines more difficult since it requires a more complex analysis than, for example, using a checklist allows for.

Deregulated miRNA expression is associated with endothelial dysfunction in post-mortem lung biopsies of COVID-19 patients.

MicroRNAs (miRNAs) are critical modulators of endothelial homeostasis, which highlights their involvement in vascular diseases, including the ones caused by virus infections. Our main objective was to identify miRNAs involved in the endothelial function and determine their expression in post-mortem lung biopsies of COVID-19 patients with severe respiratory injuries and thrombotic events. Based on functional enrichment analysis, miR-26a-5p, miR-29b-3p, and miR-34a-5p were identified as regulators of mRNA targets involved in endothelial, and inflammatory signaling pathways as well as in viral diseases. A miRNA/mRNA network, constructed based on protein-protein interactions of the miRNA targets and the inflammatory biomarkers characterized in the patients, revealed a close interconnection of these miRNAs with relevance to the endothelial activation/dysfunction. Reduced expression levels of selected miRNAs were observed in the lung biopsies of COVID-19 patients (n=9) compared to the Controls (n=10)(P<0.01-0.0001). MiR-26a-5p and miR-29b-3p presented the best power to discriminate these groups (AUC=0.8286, and AUC=0.8125, respectively). The correlation analysis of the miRNAs with inflammatory biomarkers in the COVID-19 patients was significant for miR-26a-5p [IL-6 (r2=0.5414), and ICAM-1(r2=0.5624)], and miR-29b-3p [IL-4 (r2=0.8332), and IL-8 (r2=0.2654)]. Altogether, these findings demonstrate the relevance and the non-random involvement of miR-26a-5p, miR-29b-3p, and miR-34a-5p in endothelial dysfunction and inflammatory response in patients with SARS-CoV-2 infection and the occurrence of severe lung injury and immunothrombosis.

Point-of-care testing of SARS -CoV-2 and influenza A and B at hospital emergency room during Covid-19 pandemic among patients with acute respiratory diseases

Introduction. The most common causes of acute respiratory diseases (ARD) with significant morbidity and mortality include, for a long time, the influenza virus and, in recent years, also the SARS-Cov-2 virus. Patients with various clinical symptoms are triaged in emergency rooms of hospitals, and therefore their rapid and reliable diagnostics is essential in order to prevent the spread of ARD. Molecular genetic point-of-care testing (POCT) at the point of care represents a significant advance in clinical diagnostics. Materials and methods. Diagnostics of viral agents of ARD took place from December 2021 to February 2022. 1046 nasopharynx swabs samples were collected in the emergency room of I. Internal Clinic of the Faculty of Medicine at Comenius University and the University Hospital in Bratislava. SARSCov-2 and influenza were detected from the same sample using the cobas® SARS-Cov-2 & Influenza A/B test on the cobas® Liat® system. Results. From the total number of biological material collected, the SARS-Cov-2 virus was detected in 135 samples (12.9 %), while the highest incidence of positive samples was in February 2022 - 86 (20.9 % positivity), followed by December 2021 - 31 (23.0 % positivity) and January 2022 - 18 (13.3% positivity). Influenza type A virus was detected in two samples (0.2%) and influenza type B virus was not detected. Conclusion. POCT made it possible to significantly improve the screening of patients and minimize the risk of nosocomial transmission of respiratory infections in the hospital thanks to the rapid and accurate diagnosis of the SARS-CoV-2 virus and influenza A/B (Fig. 3, Ref. 32). Text v PDF www.lekarsky.herba. sk. © 2023, Lekarsky Obzor. All Rights Reserved.

Clinical significance of serum interleukin 6 in elderly patients infected with severe acute respiratory syndrome coronavirus 2 omicron variant and its correlation with underlying diseases

Objective To investigate the clinical significance of serum interleukin 6 (IL-6) in elderly patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron variant and its correlation with underlying diseases. Methods A total of 22 elderly patients (>80 years old) infected with omicron variant, who were admitted to Department of Infectious Diseases, The First Affiliated Hospital of Naval Medical University (Second Military Medical University) from Apr. to Jun. 2022 and tested positive for SARS-CoV-2 RNA, were included. The level of serum IL-6 was measured by flow cytometry, and the level of serum C reactive protein (CRP) was measured by immunonephelometry. Patients were divided into pneumonia group (16 cases) and non-pneumonia group (6 cases) according to the imaging examination results, and were divided into severe group (severe and critical type, 5 cases) and non-severe group (mild and normal type, 17 cases) according to the condition. Binary logistic regression model and receiver operating characteristic (ROC) curve were used to analyze the correlation between serum IL-6 and CRP levels and the severity of the disease and whether it would progress to pneumonia. Meanwhile, the relationships between underlying diseases and serum IL-6 level were explored. Results Among the 22 patients, 6 were mild, 11 were normal, 3 were severe, and 2 were critical. The baseline serum IL-6 level in the pneumonia group was significantly higher than that in the non-pneumonia group ([20.16+/-12.36]pg/mL vs [5.42+/-1.57] pg/mL, P=0.009), and there was no significant difference in baseline serum CRP level between the 2 groups (P>0.05). There were no significant differences in baseline serum IL-6 or CRP levels between the severe group and the non-severe group (both P>0.05). Logistic regression analysis showed that the baseline serum IL-6 and CRP might be related to pneumonia after infection with omicron variant (odds ratio [OR]=2.407, 95% confidence interval [CI]0.915-6.328;OR=1.030, 95% CI 0.952-1.114). ROC curve analysis showed that the area under curve values of serum IL-6 and CRP in predicting the progression to pneumonia were 0.969 (95% CI 0.900-1.000) and 0.656 (95% CI 0.380-0.932), respectively, with statistical significance (Z=2.154, P=0.030). There were no significant differences in the baseline serum IL-6 level or proportions of severe patients or pneumonia patients among patients with or without hypertension, diabetes mellitus, coronary heart disease, chronic kidney disease or chronic obstructive pulmonary disease (all P>0.05). The baseline serum IL-6 levels of the omicron variant infected elderly patients with 1, 2, and 3 or more underlying diseases were 12.50 (9.15, 21.75), 23.55 (9.63, 50.10), and 10.90 (5.20, 18.88) pg/mL, respectively, with no statistical significance (P>0.05). Conclusion For omicron variant infected patients, serum IL-6 level is significantly increased in patients with pneumonia manifestations and is correlated with disease progression. Serum IL-6 level is of great guiding significance to judge disease progression and evaluate efficacy and prognosis of elderly coronavirus disease 2019 patients.Copyright © 2022, Second Military Medical University Press. All rights reserved.

Multi-omic longitudinal study reveals immune correlates of clinical course among hospitalized COVID-19 patients

Summary The IMPACC cohort, composed of >1,000 hospitalized COVID-19 participants, contains five illness trajectory groups (TGs) during acute infection (first 28 days), ranging from milder (TG1-3) to more severe disease course (TG4) and death (TG5). Here, we report deep immunophenotyping, profiling of >15,000 longitudinal blood and nasal samples from 540 participants of the IMPACC cohort, using 14 distinct assays. These unbiased analyses identify cellular and molecular signatures present within 72 hours of hospital admission that distinguish moderate from severe and fatal COVID-19 disease. Importantly, cellular and molecular states also distinguish participants with more severe disease that recover or stabilize within 28 days from those that progress to fatal outcomes (TG4 vs. TG5). Furthermore, our longitudinal design reveals that these biologic states display distinct temporal patterns associated with clinical outcomes. Characterizing host immune responses in relation to heterogeneity in disease course may inform clinical prognosis and opportunities for intervention.

The challenge of vaccine hesitancy and rejection, with a focus on Cameroon and Africa: a mini review

Background: The proportion of COVID-19 vaccination in Africa countries remains lower than other low and middle-income countries around the world. This rate is much lower in sub-Saharan Africa especially Cameroon. The low rate among these countries is attributed to vaccine hesitancy, mainly due to misinformation about vaccine origin, efficacy, and safety and the use of local herbs. Methods: From January to April 2022, we gathered latest experiences and opinions on four vaccine hesitancy-related areas, namely policies, perceived low risk, religious factors and use of local herbs in Cameroon in particular and some selected African countries in general;from published information in the literature. Results and recommended local solutions: The report mentions that political influences, religious beliefs and low perceived risk exists, vaccine safety and effectiveness and consumption of local herbs do contribute to COVID-19 vaccine hesitancy, collectively. Systematically monitoring the drivers of COVID-19 vaccine hesitancy, implementing tailored interventions promoting vaccine acceptance, and evaluating the impact of these interventions reduce vaccine hesitancy drastically.

The pandemic and the war in Ukraine - psychological and social dimensions of collective trauma in children with cancer and their parents

The focus of the present study is on the psychological and social dimensions of collective trauma resulting from the intense impact of strong emotional and stress factors connected with the COVID-19 pandemic and the crisis in Ukraine in parents of children with oncological diseases. The process of overcoming collective trauma in its diversity is a long one and requires specific care. The challenge of recovery is to regain the sense of control over the mental, economic and social parameters of the individuals affected. For the group of parents studied this includes discovery of a way for the caregivers to be calm and focused on the accompanying care for the child with an oncological disease, even in a pandemic situation and war. The effective overcoming collective trauma of the sense of imminent danger in society is based on public support and personal responsibility. Fear, anger, depression, isolation and lack of resources that are a direct psychological and economic result of pandemic and war, aggravates the quality of life of patients. As socially determined parameters, they carry a high risk of the recurrence and mortality of children with malignant diseases.

Evaluation of Disease Activity in Patients with Systemic Lupus Erythematosus in Follow-Upata University Hospital in Manaus Aftervaccination against Covid-19

Objectives: Patients with Systemic Lupus Erythematosus (SLE) are predisposed to serious infections due to immunocompromise, comorbidities, immunomodulatory and/or immunosuppressive therapy, as well as the lack of these medications faced by patients dependent on the Sistema Unico de Saude (SUS) during the COVID-19 pandemic. Studies revealed a low risk of worsening disease activity after vaccination against SARS-CoV-2 and safety in the continuity of immunomodulatory therapy during the vaccination stages. Thus, immunization against COVID-19 is an important pillar in reducingmorbidity and mortality related to infectious conditions and SLE. This study had the objective to understand the disease activity in SLE patients after vaccination against COVID-19. Method(s): This is an observational, longitudinal, ambidirectional study with follow-up of subgroups of patients with immune-mediated rheumatic diseases immunized with vaccines made available by the Programa Nacional de Imunizacao (Butantan Institute, Pfizer/BioNTech, BioManguinhos/Fiocruz and Janssen). Data from the SLE disease activity index 2000 (SLEDAI-2 K) and sociodemographic data were collected and stored via an online platform, with a comparison of the index before and after each dose. This study was approved by the local Research Ethics Committee, and it is associated to the SAFER Project from Brazilian Society of Rheumatology. Result(s): A total of 223 patients were included, of which 83% were female and 39% had SLE, 36.7 +/- 11.76 years old. Regarding the disease activity, at inclusion the mean PGA score(SD) was 2,61 +/- 2,77. After the 1st dose it was 1.38 +/- 2.17, after the 2nd dose it was 2,35 +/- 2,99, after the 3rd dose it was 2,19 +/- 2,58 and after the 4th dose 1.18 +/- 1.88. The mean SLEDAI-2 K score at inclusion was 7,27 +/- 9,70, after the 1st dose it was 2,75 +/- 5,29, after the 2nd dose it was 4,73 +/- 6,40, after the 3rd dose 3,33 +/- 5,51 and after the 4th dose 2.12 +/- 4.27. 6% of the patients referred worsening disease activity after the 1st dose, 14,3%after the 2nd dose, and no patient reportedworsening of disease activity after the 3rd and 4th doses. Conclusion(s): Vaccination did not contribute toworsening disease activity of the SLE patientss studied, according to the indices used to assess disease activity.

Cases of Covid-19 in Patients Withi Mmune-Mediated Rheumatic Diseases after Vaccination against Sars-Cov-2 in Manaus-Amazon

Objectives: Immunization against SARS-CoV-2 is an effective strategy to reduce morbidity and mortality in the face of the COVID-19 pandemic. People with Immune-mediated Rheumatic Diseases (IMRD) also benefited from this campaign. However, there is a limited amount of data on the outcome of vaccination in these patients, in terms of those who were infected by the virus. This study had the objective to evaluate the rate of COVID-19 cases in patients with IMRD after vaccination against SARS-CoV-2. Method(s): Observational, longitudinal and ambidirectional study with follow-up of subgroups of patients with IMRD immunized with vaccines made available by the National Immunization Plan (inactivated adsorbed vaccine registered by the Instituto Butantan (IB), recombinant vaccines registered by Bio Manguinhos/ Fiocruz and by Janssen, and Pfizer/BioNTech). Sociodemographic data and questionnaires on flu syndrome, laboratory confirmation of infection and need for hospitalization and outcomes were collected and stored via an online platform. This study is associated to the SAFER Project from the Brazilian Society of Rheumatology and it was approved by the local Research Ethics Committee. Result(s): A total of 223 patients aged over 18 years, mean age 42.79 +/- 15.18 years, were included. All were within the inclusion/exclusion criteria, with 83% being female. The main IMRD included were systemic lupus erythematosus (39%) and rheumatoid arthritis (33.6%). After the 1st dose, 1.45% of patients had COVID-19, 50% sought health services (emergency care), without the need for hospitalization and after the 2nd dose, 1.5% had the disease, of which none sought health services, required hospitalization or had a negative outcome. After the 3rd dose,: 2.9%were infected with SARS-CoV-2 one month later, 15.6% two to three months later and 5.5% four to six months later, all with laboratory confirmation;only 4% presenting any serious complication;there were no deaths. After the 4th dose, 9.1%of patients had COVID-19, of which 40%were hospitalized, without the need for assisted ventilation;half of these patients had a serious complication, but there no deaths. Conclusion(s): In this study, we observed the effectiveness of the vaccine in preventing severe cases of COVID-19 and complications of SARS-CoV-2 infection.

Assessment of Disease Activity in Adolescent Patients with Chronic Inflammatory Diseases after Vaccination against Covid-19ata University Hospital in Manaus

Objectives: Chronic Inflammatory Immune-mediated Diseases (CIMD) can cause pain and severe discomfort to the patient, leading to significant reductions in his/her quality of life. Vaccination against COVID-19 has proven to be an efficient method in preventing cases and serious repercussions. However, there is insufficient evidence on the safety of these vaccines in the CIMD population. Objective(s): To assess disease activity in adolescent patients with CIMD after vaccination against SARS-CoV-2. Method(s): Observational, longitudinal, ambidirectional study with follow-up of groups of adolescent patients with CIMDwho received the vaccine provided by the National Immunization Program -Pfizer/BioNTech. Sociodemographic and clinical disease activity data were collected before and after each vaccine dose. Data were stored through an online platform (REDCap). This study is associated to the SAFER Project from the Brazilian Society of Rheumatology and was approved by the local Research Ethics Committee. Result(s): Nineteen adolescents aged between 12 and 17 years were included, all of whom met the inclusion/exclusion criteria. Of the total, 31.6% have Juvenile Idiopathic Arthritis (JIA)-14.33 +/- 2.25 years of age, whose subtypes included persistent oligoarticular JIA (16.7%), Polyarticular Rheumatoid Factor (RF) negative (33.3%), Polyarticular RF positive (16.7%) and Systemic (33.3%);68.4% have Systemic Lupus Erythematosus (SLE) -14.77 +/- 1.96 years of age. Regarding JIA patients, at inclusion, the mean disease activity assessed by the physician was 3 +/- 3.83 and 3.25 +/- 3.77 as assessed by the patient. After the 1st dose, the mean activity assessed by the physician was 2.8 +/- 3.9 and after the 2nd dose it was 3 +/- 4.24. Themean activity after the first dose as assessed by the patient was 3.2 +/- 3.96, and after the 2nd dose it was 2.8 +/- 3.11. In the SLE patients, at inclusion, the mean degree of disease activity was 1.92 +/- 1.83 and of the SLEDAI-2 K was 4.67 +/- 5.14. After the 1st dose, the mean disease activity was 1.11 +/- 1.96, and after the 2nd dose, it was 2.25 +/- 2.76. After the 1st dose, the SLEDAI-2 K was 1.11 +/- 1.76, and after the 2nd dose it was 4.25 +/- 5.28. No reports of worsening of disease activity after the vaccine were found. Conclusion(s): The vaccination proved not to contribute to worsening of clinical activity of rheumatic diseases in adolescents, without significant changes in SLE assessment indices and in the personal and medical assessment of JIA patients.

Adverse Effects of Vaccines against Covid-19 in Adolescent Patients with Chronic Inflammatory Immune Diseases in Manaus-Amazon

Objectives: In the Chronic Inflammatory Immune-mediated Diseases (CIMD), infections mainly occur in the respiratory tract and their occurrence is related to drug-induced immunosuppression, underlying diseases and comorbidities. To reduce this morbidity and mortality, vaccination is an effective means of prevention. However, the available studies on SARS-CoV-2 vaccines have not addressed this group of patients with CIMD, and there are still many doubts regarding the indications, adverse effects, safety and efficacy of these vaccines. Objective(s): to evaluate the adverse effects of vaccines against SARS-CoV-2 in adolescent patients with CIMD. Method(s): Research associated to the SAFER Project from Brazilian Society of Rheumatology. It is an observational, longitudinal, ambidirectional study, with follow-up of groups of vaccinated adolescent patients with CIMD, vaccine by Pfizer/BioNTech. Sociodemographic data were collected, stored on an online platform, and adverse events were presented by filling in diaries issued for each patient. This study was approved by the local Research Ethics Committee. Result(s): We included 19 adolescents, aged between 12 to 17 years, who met the inclusion and exclusion criteria. The mean age was 14.63 +/- 2.01 years. Of these, 68.4% were female. In relation to CIMD, 31.6% have Juvenile Idiopathic Arthritis and 68.4% have Systemic Lupus Erythematosus. All were vaccinated with the Pfizer vaccine. In the 1st dose, the main adverse effects presented were Pain at the injection site (85.7%), Headache (42.9%), Tiredness (33.3%) and Edema and skin induration at the injection site (26, 7%). After the 2nd dose, the only adverse effect reported was Pain at the injection site (57.1%), with no other complaints. Conclusion(s): The adverse effects reported are of mild tomoderate reactogenicity;no serious adverse events were reported.