Dr. Howard Smith Oncall

  Vidcast: https://youtu.be/APXe9NaJ-B8   Those with O positive blood are 20% less likely to test positive for the coronavirus and AB blood 44% less likely.  Those with A positive blood are 38% more likely to be positive.  The Biomedical Informatics unit at Columbia has just pre-published this data after their analysis of over 1500 patients seen at two New York City hospitals.   Various blood groups only only had statistical associations with viral positivity and not with disease severity, need for intubation, or risk of death from CoVid19 disease.   These findings are generally consistent with those I reported from Chinese studies.  The exception: Chinese with the rare AB blood had a greater risk of CoVid positivity.     https://www.medrxiv.org/content/10.1101/2020.04.08.20058073v1.full.pdf   #covid19 #coronavirus #abogroup #bloodgroup