Mosab Nouraldein Mohammed Hamad2023-12-132023-12-132018https://ds.eaeu.edu.sd/handle/10.58971/860History described in 1914 by Stephens Geographical distribution sub-Saharan Africa and islands in the western Pacific P. ovale is able to infect individuals who are negative for the Duffy blood group, which is the case for many residents of sub Saharan Africa. This explains the greater prevalence of P. ovale (rather than P. vivax) in most of Africa.other