"..our findings ... underscore the role of blood type in COVID-19 infections, specifically that blood type O might be protective against the virus."

-- the article

"Blood type did not play a significant role in anyone's risk of contracting COVID, the researchers reported April 5 in JAMA Network Open."

-- https://www.webmd.com/lung/news/20210405/blood-type-doesnt-a...

Science is hard.

These read like marginal confirmation checks of other sources of information. So, nothing ground-breaking. But the willingness of people to contribute to science is really nice, and I hope the "virtuous circle" is completed and there is more of this.