Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/sKbulaz20-4   From the research followup department comes a Boston University meta-analysis refuting previous work indicating that persons with certain ABO blood groups fare better in terms of CoVid infections.  The BU epidemiologists used strict criteria to select for analysis 24 population-level studies looking at the CoVid-ABO blood group relationship.   When these studies were critically reviewed, only 2 of them were sufficiently free of methodological issues and intrinsic bias as to be considered reliable.  These gold standard studies showed no true relationship between a person’s ABO blood group and their vulnerability to CoVid.   Those of you with the O blood group thinking that you had some protection against CoVid better think again.   https://www.medrxiv.org/content/10.1101/2021.04.20.21255816v1.full.pdf   #CoVid #abo #bloodtypes