Russian health watchdog says coronavirus mutations appearing in icy Siberia, raising fears for vaccine effectiveness https://ift.tt/3nwHDls https://ift.tt/3f7sW5g https://ift.tt/3f7sW5g https://ift.tt/3kK9AEy

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Submitted November 17, 2020 at 05:21PM by signed7 https://ift.tt/3kK9AEy signed7