Covid Blood Type Stats . Preliminary research suggesting a link between blood type and the coronavirus has gotten a lot of attention. More specifically, type O blood may be protective against the novel virus. I Don't Fear Coronavirus Because My Blood Type Is Netball ... (Mamie Weber) Scientists who compared the genes of thousands of patients in Europe found that those who had Type A blood were more likely to have severe disease while those with Type O. Learn what determines your blood type and why it's important to know what it is. The complete blood count (CBC) includes several tests that evaluate red blood cells that carry oxygen, white blood cells that fight infections and platelets that help blood to clot. You inherit genes from your parents — one from your mother and one from your father When it comes to blood type, you might inherit an A antigen from one parent and a B antigen from the other, resulting in the AB blood type. The rarest blood typ...