Why The Warning That Coronavirus Was On The Move In U.S. Cities Came So Late
U.S. health officials said equipping six cities with extra testing would pick up under-the-radar viral spread. But an NPR investigation finds conflicts and shortages caused painful delays.
Đọc thêm tại NPR
at April 24, 2020 at 04:00PM
Health & Science
Thứ Sáu, 24 tháng 4, 2020
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