OPEN Respiratory medicine | 15 May 2020
M Gao, L Yang, X Chen, Y Deng, S Yang, H Xu, Z Chen and X Gao
An ongoing outbreak of coronavirus disease 2019 (COVID-19) has spread around the world. It is debatable whether asymptomatic COVID-19 virus carriers are contagious. We report here a case of the asymptomatic patient and present clinical characteristics of 455 contacts, which aims to study the infectivity of asymptomatic carriers.
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