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    COVID-19 vaccine
    • First Lady Jill Biden Has COVID-19

      First Lady Jill Biden Has COVID-19

      KTBS Shreveport· 2 hours ago

      First Lady Jill Biden has COVID-19 and is experiencing "mild symptoms," according to her staff. "After testing negative for COVID-< ...

    • The hunt for a universal Covid-19 vaccine

      The hunt for a universal Covid-19 vaccine

      BBC News· 17 hours ago

      ...an infectious diseases professor at Duke-National University of Singapore Medical School, Singapore, found that Sars survivors who had received the...