The Rh Negative Blog

Harvard on COVID-19 and Blood Types

Since not many are reading through the whole thing, here is the part of the article that stood out:

The study did find, however, that symptomatic individuals with blood types B and AB who were Rh positive were more likely to test positive for COVID-19, while those with blood type O were less likely to test positive.

https://hms.harvard.edu/news/covid-19-blood-type