Thứ Sáu, 26 tháng 6, 2020

NPR News: This Coronavirus Doesn't Change Quickly, And That's Good News For Vaccine Makers

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This Coronavirus Doesn't Change Quickly, And That's Good News For Vaccine Makers
A coronavirus vaccine could become ineffective if the virus were to undergo certain genetic changes. But so far, so good: Scientists see no evidence that's happening.

Đọc thêm tại NPR
at June 26, 2020 at 04:00PM
Health & Science
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