Prevalence of COVID-19 in medical school and residency in Porto Alegre, RS.

Objective: A multicentric, cross-sectional study was carried out to determine the prevalence and risk factors for Coronavirus disease 2019 in medical students and residents from four universities and affiliated hospitals in Brazil.

Methods: A survey about contamination risk and symptoms was sent to all participants through email and WhatsApp. Prevalence was measured by the self-report of positive polymerase chain reaction or serological test.

Women representation in academic and leadership positions in surgery in Brazil.

We aimed to analyze the representativeness of women surgeons in academic and leadership positions in Brazil. We investigated women representativeness across surgical departments of 25 Brazilian universities (2020); across boards of 10 Brazilian surgical societies (2020), and, as speakers, in 281 surgical events (Jan-2014 to Dec-2020). From 383 individuals in university departments, 43 (11.