By Graham Lawton
There is some evidence that a person’s blood type may influence their chance of getting covid-19SOPA Images/SIPA USA/PA Images
You may have heard that your blood type can protect you against covid-19, or make you more vulnerable. The science suggests that it can do both, a bit, but researchers say that it is too soon to make decisions about personal risk based on your blood group.
The idea that blood type might influence susceptibility to infection by the coronavirus that causes covid-19 began circulating in March after a team led by Jiao Zhao at The Southern University of Science …