Millions of Americans have taken personal DNA tests from companies like 23andMe to find out whether their genes put them at higher risk for diseases like breast and colon cancer. Now these tests are identifying people who are more likely to get sick with Covid-19. 23andMe on Monday published a potentially significant finding that people with the blood type O were on average 14% less likely than other blood types (A, B, AB) to get Covid and 19% less likely to be hospitalized after accounting for age, sex, comorbidities, ethnicity...

Source: Wall Street Journal June 10, 2020 23:15 UTC