A study on infectivity of asymptomatic SARS-CoV-2 carriers.

ABSTRACT:

Background

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.

Material and methods

455 contacts who were exposed to the asymptomatic COVID-19 virus carrier became the subjects of our research. They were divided into three groups: 35 patients, 196 family members and 224 hospital staffs. We extracted their epidemiological information, clinical records, auxiliary examination results and therapeutic schedules.

Results

The median contact time for patients was four days and that for family members w

SUBMITTER: Gao M 

PROVIDER: S-EPMC7219423 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature