- Babesiosis is a protozoan parasitic infection of the red blood cells that can cause fever, fatigue and hemolytic anemia. Transfusion transmitted infection can be fatal.
- Toxoplasmosis is a systemic protozoan infection that causes symptoms similar to infectious mononucleosis. In immunocompromised individuals this infection can have serious neurological symptoms, and can cause fetal death in pregnant women.
- Chagas’disease is a chronic persistent parasitic disease that can manifest as hepatosplenomegaly, myocarditis or meningoencephalitis.
Leishmaniasis is a chronic systemic disease of the organs that can be fatal.