16 Study of Over 1 Million People Suggests Blood Type O May Protect Against COVID-19. A few weeks ago a friend who works in the medical field said she read people with Blood Type O are less likely to get Covid. I have O neg. I’ve been exposed but never got it. What’s your experience? (www.technologynetworks.com) posted 2 years ago by moodyblue 2 years ago by moodyblue +16 / -0 46 comments share 46 comments share save hide report block hide replies
I remember doing that! There were a few circles on a card... Some kind of reagent drops or something? It's been a while.
If only schools would get back teaching instead of trying to change people.