Type A: blood containing A antigens

Type B: blood containing B antigens

Type AB: blood containing A and B antigens

Type O: blood containing neither A nor B antigens

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WHAT BLOOD TYPE DO TICKS PREFER?

https://danielcameronmd.com/what-blood-type-do-ticks-prefer/

“It can be stated that the most statistically preferred was blood group A, followed by the second groups – O and AB,” writes Žákovská. Type B blood was the least preferred blood group.