More transmissible forms of the coronavirus have emerged on three continents, and at least one is circulating across the U.S. But scientists are …
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Source:https://www.google.com/url?rct=j&sa=t&url=https://www.npr.org/2021/01/19/958472446/scientists-worry-about-coronavirus-variant-spreading-in-brazil&ct=ga&cd=CAIyGjNhZTUxMTBmMjUyYjhmMzI6Y29tOmVuOlVT&usg=AFQjCNFWybuqQ4S1r3KKEV6NSwzI-x12cw
Published on: 2021-01-19T21:08:24Z
