Cold agglutinins are seen in -
Answer- A. InfluenzaThis form of hemolytic anemia is caused by cold agglutinin IgM antibodies.Both intravascular and extravascular hemolysis may occur.Causes of cold agglutinin immunohemolytic anemia :- Mycoplasma infection, IMN, CMV, Influenm, HIV, Malignant lymphoma.
Influenza
PAN
Multiple myeloma
SLE