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

A It provides resistance to Plasmodium vivax ✓
B It provides resistance to Plasmodium falciparum
C It has no relation to malaria
D It increases the risk of malaria

Explanation

The Duffy blood group system has been shown to provide resistance to Plasmodium vivax, a parasite that causes malaria.

Mnemonic

Duffy = Defence Against Vivax

Source

Medical Microbiology textbook
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high