COVID Cases Finally Are Falling. Experts Worry Variants Could Erase That Fast
The Biden administration must do more to identify and track three fast-spreading mutations of the COVID-19 virus, researchers say. Clearer CDC guidelines for masks and reopening would help too.
Read more on NPR
Health & Science - February 6, 2021 at 08:00PM - COVID Cases Finally Are Falling. Experts Worry Variants Could Erase That Fast
Không có nhận xét nào:
Đăng nhận xét