A study suggests one vaccine dose might be enough for some coronavirus survivors. The C.D.C. says it’s scaling up the search for variants. South Africa receives its first batch of vaccine doses.
Source link : https://www.nytimes.com/live/2021/02/01/world/covid-19-coronavirus/
Author : The New York Times
Publish date : 2021-02-02 10:04:29
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