Social Distancing - RT @JohnRossMD: In the past 2 years, one influenza strain (B/Yamagata) appears to have become extinct, and the rest are less genetically di…

3:46am PDT - September 22nd, 2022

RT @JohnRossMD: In the past 2 years, one influenza strain (B/Yamagata) appears to have become extinct, and the rest are less genetically di…

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