Severe Acute Respiratory Syndrome Coronavirus 2 Among Asymptomatic Workers Screened for Work Resumption, China

Emerg Infect Dis. 2020 Jun 17;26(9). doi: 10.3201/eid2609.201848. Online ahead of print.


After the outbreak in Wuhan, China, we assessed 29,299 workers screened for severe acute respiratory syndrome coronavirus 2 by reverse transcription PCR. We noted 18 (0.061%) cases of asymptomatic infection; 13 turned negative within 8.0 days, and 41 close contacts tested negative. Among 6 contacts who had serologic tests, none were positive.

Keywords: COVID-19; China; SARS; SARS-CoV-2; Wuhan; coronavirus; coronavirus disease; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.