This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Duffy antigen on erythrocytes are receptors for 
Select and explain. 
A. P. falciparum, B. P. vivax, C. P. ovale, D. P. malariae
B: P. vivax
Answer: B: P. vivax 
Explanation: None