1.
Chinese Journal of Preventive Medicine
; (12): 1240-1244, 2021.
Artigo
em Chinês
| WPRIM (Pacífico Ocidental)
| ID: wpr-922718
RESUMO
An epidemiological investigation was carried out on a local cluster of outbreak caused by imported cases of Coronavirus Disease 2019 (COVID-19) in rural areas of Chengdu in December 2020, to find out the source of infection and the chain of transmission. According to
