Which of the following blood group systems is known for its association with a reduced risk of certain bacterial infections?

A Rh blood group system
B Kell blood group system
C Lewis blood group system
D P blood group system ✓

Explanation

The P blood group system has been associated with a reduced risk of certain bacterial infections, such as Pyelonephritis.

Source

Journal of Infectious Diseases article
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: medium