Blood group O is associated with protection against severe malaria and reduced size and stability of P. falciparum-host red blood cell (RBC) rosettes compared to non-O blood groups. Whether the non-O blood groups encoded by the specific ABO genotypes AO. BO. https://www.roneverhart.com/ESP-LTD-SD-2-Sammy-Duet-Signature-Model-Electric-Guitar-Black-p20045/