COVID-19 may damage bone marrow immune cells; another reinfection reported https://ift.tt/3mRg8Ui https://ift.tt/35XJmLe https://ift.tt/35XJmLe https://ift.tt/2ZV6bLq

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Submitted September 21, 2020 at 07:07PM by GreenBets https://ift.tt/2ZV6bLq GreenBets