Large SARS-CoV-2 outbreak caused by asymptomatic traveler, China
An asymptomatic person infected with severe acute respiratory syndrome coronavirus 2 returned to Heilongjiang Province, China, after international travel. The traveler's neighbor became infected and generated a cluster of â‰¥71 cases, including cases in 2 hospitals. Genome sequences of the virus were distinct from viral genomes previously circulating in China. Â© 2020 Centers for Disease Control and Prevention (CDC). All rights reserved.
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