California’s Plan to Trace Travelers for Virus Faltered When Overwhelmed, Study Finds

Identifying and tracing air passengers from high-risks countries is useful when begun early, a C.D.C. study found, but California’s effort came too late.
By BY DAVID WALDSTEIN from NYT Health https://ift.tt/35POJKc
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your-feed-science, Coronavirus (2019-nCoV), Quarantines, Epidemics, Preventive Medicine, Airports
Source New York Times
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