By BY DAVID WALDSTEIN from NYT 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.Health https://ift.tt/35POJKc
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California’s Plan to Trace Travelers for Virus Faltered When Overwhelmed, Study Finds
By BY DAVID WALDSTEIN from NYT 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.Health https://ift.tt/35POJKc
via
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