What is the significance of the Duffy blood group system in relation to malaria?

A It provides resistance to Plasmodium vivax ✓
B It increases the risk of severe malaria
C It has no association with malaria
D It is a receptor for Plasmodium falciparum

Explanation

The Duffy blood group system is significant because it provides resistance to Plasmodium vivax, one of the parasites that cause malaria. Individuals lacking the Duffy antigen are resistant to P. vivax infection.

Source

WHO reports on malaria and blood group systems
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high