Duffy antigen is associated with: (A) Plasmodium falciparum, (B) Plasmodium ovale, (C) Plasmodium vivax, (D) Plasmodium malariae
Answer is C. The Duffy glycoprotein is a receptor for chemicals that are secreted by blood cells during inflammation. It also happens to be a receptor for Plasmodium vivax, a parasite that invades red blood cells (RBCs) and causes malaria. Ref ananthnarayana and panikers microbiology textbook 8/e