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- Title
Prevalence of SARS-CoV-2 Antibodies after First 6 Months of COVID-19 Pandemic, Portugal.
- Authors
Canto e Castro, Luísa; Guia Pereira, Ana Helena; Ribeiro, Rita; Alves, Catarina; Veloso, Luís; Vicente, Vera; Alves, Dalila; Domingues, Inês; Silva, Cláudia; Gomes, Andreia; Serrano, Marta; Afonso, Ângela; Veldhoen, Marc; Rego de Sousa, Maria José; Rego de Sousa, José Germano; de Sousa, Germano; Mota, Maria M.; Silva-Santos, Bruno; Ribeiro, Ruy M.; Pereira, Ana Helena Guia
- Abstract
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.
- Subjects
PORTUGAL; COVID-19 pandemic; SARS-CoV-2; COVID-19; IMMUNOGLOBULINS; PANDEMICS
- Publication
Emerging Infectious Diseases, 2021, Vol 27, Issue 11, p2878
- ISSN
1080-6040
- Publication type
journal article
- DOI
10.3201/eid2711.210636