Publications by authors named "Marco S Ribeiro"
Background: Limited data is available regarding the frequency of COVID-19 in populations that are highly exposed to SARS-CoV-2. In this cross-section study we evaluated COVID-19 seroprevalence in military police forces of 10 major cities in Rio Grande do Sul, South of Brazil.
Methods: Sampling was randomly performed in clusters, in respect to the number of professionals at service per city and military unit.