Bogota
Colombia
Fundación Santa Fe de Bogotá - Division of Population Health
Covid-19, SARS-CoV-2, vaccines, antibody, neutralization
COVID-19, SARS-COV-2, vaccine, effectiveness, safety, middle-income countries
Covid-19, SARS-CoV-2, COVID-19 Serological Testing, Health Personnel, Seroepidemiologic Studies