A Century-Old Vaccine Fails to Protect Against Covid

By BY RONI CARYN RABIN from NYT Health https://ift.tt/LvpjAif
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Health
your-feed-science, Coronavirus (2019-nCoV), Vaccination and Immunization, Immune System, Tuberculosis, Clinical Trials
New York Times
April 27, 2023 at 02:30AM