SARS-CoV-2 seroprevalence in Portugal following the third epidemic wave: results of the second National Serological Survey (ISN2COVID-19).
Irina KislayaPaulo GonçalvesVerónica GómezVânia GaioRita RoquetteMarta BarretoMafalda Sousa-UvaAna Rita TorresJoana SantosRita MatosCarla ManitaJoão Almeida SantosSofia SoeiroRita de SousaInês CostaNuno VerdascaRaquel GuiomarAna Paula Rodriguesnull nullPublished in: Infectious diseases (London, England) (2022)
After the third epidemic wave, the post-infection SARS-CoV-2 seroprevalence was 1.7 times higher than the cumulative incidence based on PCR-testing, but was higher (2.7 times) in children may be due to the high proportion of asymptomatic and mild infections.