Chickenpox outbreak among Venezuelan immigrants housed in shelters and occupancies in the state of Roraima, Brazil, 2019: a descriptive study.

Objective: To describe chickenpox outbreak among Venezuelan immigrants in shelters and occupancies in the municipalities of Pacaraima and Boa Vista, the state capital of Roraima, Brazil, and the control measures implemented.

Methods: This was a descriptive case series study, conducted between November 21 and December 13, 2019, based on secondary database obtained from the outbreak investigation made available by the General Coordination for the National Immunization Program. Descriptive analysis was performed using simple and relative frequency measurements, and measures of central tendency and dispersion were calculated.

Retrospective cohort of children and adolescents hospitalized by COVID-19 in Brazil from the beginning of the pandemic to August 1st, 2020.

Objectives: To characterize the study population, estimating the in-hospital lethality rate by state and analysing associated factors with COVID-19-related deaths.

Methods: A retrospective cohort study was carried out of hospitalised children and adolescents diagnosed with COVID-19, confirmed by RT-PCR, whose outcome was death by COVID-19 or recovery, from 2020 March 1 to August 1. The data source was the Influenza Epidemiological Surveillance Information System (SIVEP-Gripe in Brazilian acronym), where patients with Severe Acute Respiratory Syndrome (SARS) are notified.

Description of COVID-19 hospitalized health worker cases in the first nine weeks of the pandemic, Brazil, 2020.

Objective: To describe COVID-19 hospitalized health worker cases in Brazil.

Methods: This was a descriptive case series study; it included cases that became ill between February 21st and April 15th, 2020 registered on the Influenza Surveillance Information System (SIVEP-Gripe, acronym in Portuguese).

Results: Of the 184 cases, 110 (59.