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Does your blood type influence how susceptible you are to covid-19?

There is some evidence that a person’s blood type may influence their chance of getting covid-19

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You may have heard that your blood type can protect you against catching 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 began circulating in March after researchers in China posted some preliminary results online.

Their starting point was the fact that susceptibility to …