Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/hJflOOgvIug   A newly published NIH study demonstrates CoVid in mouth and salivary gland tissues and explains why saliva can be highly infectious.  This adds the mouth to a host of other CoVid infection site in the body including the nose, lungs, heart, brain, kidneys, gastrointestinal tract, and blood vessels.   Oral tissues have the key ACE2 receptor and the TMPRSS2 enzyme that open a cell’s front door to CoVid.  Tissues from living and deceased CoVid patients had CoVid RNA and evidence of viral replication.     This is more evidence that spit droplets as well as aerosols from coughing and sneezing can spread CoVid.  Make sure your mask completely covers your mouth as well as your nose.   https://www.nature.com/articles/s41591-021-01296-8   #CoVid #mouth #saliva