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    • How humans can and can’t catch bird flu

      Reuters· 11 hours ago

      Scientists are on alert for changes in the H5N1 or bird flu virus that could signal it is adapting to spread among humans. The virus has caused serious, sometimes fatal, infections& ...

    • When did humans start getting the common cold?

      When did humans start getting the common cold?

      Live Science via Yahoo News· 1 day ago

      "Common cold" is an umbrella term for a group of respiratory infections that tend to be mild in people with healthy immune systems. Rhinoviruses, ...