1.
Emerg Infect Dis
; 28(4): 878-880, 2022 04.
Artigo
em Inglês
| MEDLINE
| ID: mdl-35180374
RESUMO
To determine when severe acute respiratory syndrome coronavirus 2 arrived in Congo, we retrospectively antibody tested 937 blood samples collected during September 2019-February 2020. Seropositivity significantly increased from 1% in December 2019 to 5.3% in February 2020, before the first officially reported case in March 2020, suggesting unexpected early virus circulation.