Ontology highlight
ABSTRACT:
SUBMITTER: Canto E Castro L
PROVIDER: S-EPMC8544986 | biostudies-literature | 2021 Nov
REPOSITORIES: biostudies-literature
Canto E Castro Luísa L Pereira Ana Helena Guia AHG Ribeiro Rita R Alves Catarina C Veloso Luís L Vicente Vera V Alves Dalila D Domingues Inês I Silva Cláudia C Gomes Andreia A Serrano Marta M Afonso Ângela  Veldhoen Marc M de Sousa Maria José Rego MJR de Sousa José Germano Rego JGR de Sousa Germano G Mota Maria M MM Silva-Santos Bruno B Ribeiro Ruy M RM
Emerging infectious diseases 20210826 11
In September 2020, we tested 13,398 persons in Portugal for antibodies against severe acute respiratory syndrome coronavirus 2 by using a quota sample stratified by age and population density. We found a seroprevalence of 2.2%, 3-4 times larger than the official number of cases at the end of the first wave of the pandemic. ...[more]