1.
Emerg Infect Dis
; 28(6): 1224-1228, 2022 06.
Artigo
em Inglês
| MEDLINE
| ID: mdl-35393009
RESUMO
Contact tracing data of SARS-CoV-2 Omicron variant cases during December 2021 in Cantabria, Spain, showed increased transmission (secondary attack rate 39%) compared with Delta cases (secondary attack rate 26%), uninfluenced by vaccination status. Incubation and serial interval periods were also reduced. Half of Omicron transmissions happened before symptom onset in the index case-patient.