We analyzed 2 clusters of 12 patients in Vietnam with severe acute respiratory syndrome coronavirus 2 infection during January-February 2020. Analysis indicated virus transmission from a traveler from China. One asymptomatic patient demonstrated virus shedding, indicating potential virus transmission in the absence of clinical signs and symptoms.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7323563 | PMC |
| http://dx.doi.org/10.3201/eid2607.200591 | DOI Listing |
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