>Although one study found the blood group O only to be protective across rhesus positive blood types, differences in rhesus factor (blood type + or -) were not

>Although one study found the blood group O only to be protective across rhesus positive blood types, differences in rhesus factor (blood type + or -) were not significant in 23andMe data. Nor was this a factor in susceptibility or severity in cases. I'm O -ve and everyone else in my family are O +ve. Going by the rate of infections in my state, I'm of opinion that it's just matter of when and not if we'll get infected by COVID-19. So, I'll update my data here when that happens.