Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/PzA8TI7x0xc   A new CoVid antibody test is better able to detect antibodies that actually can protect you from the virus.  University of North Carolina researchers now announce this test and its benefits in the journal Science Immunology.   Most commercially available CoVid antibody tests measure antibodies to the nucleocapsid or N antigens, while this test measures spike protein antibodies, the receptor-binding-domain, or RBD.  These antibodies neutralize CoVid by spike protein cell attachment and viral entry and are the ones that vaccines must trigger.   This RBD antibody test, particularly if routinely used to report numeric levels of anti-CoVid antibodies, should finally tell us if an individual is CoVid immune.   https://immunology.sciencemag.org/content/5/48/eabc8413   #covid #covid #spikeprotein #nucleocapsid #vaccine