SARS-CoV-2 seroprevalence in the city of Puerto Madryn: Underdiagnosis and relevance of children in the pandemic.

Background: Reported cases of COVID-19 may be underestimated due to mild or asymptomatic cases and a low testing rate in the general population.

Research Question: What is the seroprevalence of SARS-CoV-2 infection in the general population and how it compares with the data on SARS-CoV-2 cases reported by a national health surveillance system (SNVS 2.0).