From: ABO and Rhesus blood group distribution and frequency among blood donors at Kilimanjaro Christian Medical Center, Moshi, Tanzania
Rh −ve n (%)
Rh +ve n (%)
A
13 (3)
452 (97)
B
8 (2)
334 (98)
O
21 (2)
928 (98)
AB
–
59 (100)