Thứ Năm, 19 tháng 3, 2020

NPR News: U.S. Coronavirus Testing Starts To Ramp Up But Still Lags

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U.S. Coronavirus Testing Starts To Ramp Up But Still Lags
Thousands of tests are now being conducted weekly, but tests remain scarce in many places. And experts question recent steps aimed at boosting testing capacity in states.

Đọc thêm tại NPR
at March 19, 2020 at 03:19AM
Health & Science
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