Asymptomatic and Pre-Symptomatic COVID-19 in China  

作　　者：Zunyou Wu Jennifer M.McGoogan 

机构地区：[1]National Center for AIDS/STD Control and Prevention,Chinese Center for Disease Control and Prevention,155 Changbai Road,Changping District,Beijing 102206,China

出　　处：《Infectious Diseases of Poverty》2020年第3期1-2,共2页贫困所致传染病（英文）

基　　金：This work was supported by the National Health Commission(grant number 2018ZX10721102);National Ministry of Science and Technology of the People’s Republic of China(grant number 2020YFC0846300).

摘　　要：As the novel coronavirus disease 2019(COVID-19)pandemic spreads rapidly across the globe many unanswered questions about the basic biology and epidemiology of the disease hamper our response strategies and limit our ability to achieve control and prevent a rebound or so-called“second wave”.One such crucial question is:To what degree do asymptomatic cases contribute to transmission?Early,small studies on this subject have found wide ranging estimates of the prevalence of asymptomatic carriers,and just a handful of studies so far have documented viral shedding by asymptomatic cases[1].We recently re-examined China’s COVID-19 case report data to investigate this question[2].This Editorial aims to describe how asymptomatic cases contribute to transmission and what the implications are for control strategies.

关 键 词：Novel coronavirus disease 2019 ASYMPTOMATIC Pre-symptomatic TRANSMISSION 

分 类 号：R563.1[医药卫生—呼吸系统]