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    • Where did COVID-19 come from?

      USA TODAY via Yahoo News· 1 hour ago

      This week, a World Health Organization delegation of scientists from 10 different nations finally was allowed in the country to explore the virus'...

    • COVID-19 immunity: how long does it last?

      The Conversation via Yahoo News· 5 days ago

      The first of the body’s immune cells to respond to an infection are designed to attack the invading substances to try to control the infection’s spread...

    • Can you spread Covid-19 if you get the vaccine?

      Quartz via Yahoo Finance· 5 days ago

      The reason we don’t know if the vaccine can prevent transmission is twofold. The first order of business for vaccines is preventing exposed individuals...