Here's why people with #genotypeAA are more prone to malaria:
The commonest malaria parasite (Plasmodium falciparum) loves plenty of blood & oxygen. Since AA is the perfect one with plenty of blood & oxygen, the parasite prefers AA blood.
RT
AA: 92.3%
AS: 5.1%
SS: 2.6%
Can you see the difference?
This crisis doesn't occur in people with Genotype AA.