People with blood type O may be less vulnerable to Covid-19.
According to two new studies type O blood types may also have a reduced likelihood of getting severely ill.
More research is needed, but experts say blood type may play a role in a person's susceptibility.
According to CNN, the reasons for this link aren't clear and more research is needed.
Experts note that this does not minimize the need for masks, social distancing, and handwashing in type O populations.