Current Research in Social Psychology (CRISP) is a peer reviewed, electronic journal publishing theoretically driven, empirical research in major areas of social psychology.
1 Leishmaniasis, caused by the leishmania genus of protists, and transmitted by the African sand fly;  Toxoplasmosis, caused by Toxoplasma gondii, and transmitted from contaminated animal meat or contaminated feces of infected animals;
Giardiasis: This is a form of diarrhea caused by the infectious protist Giardia lamblia. Giardia cysts can be transmitted on coming in contact with an infected person, who does not maintain proper personal hygiene, or by coming in contact with contaminated water.he parasite invades the small intestine, and the common symptoms are watery stool, flatulence, and accumulation of foul-smelling stomach gas, vomiting, abdominal cramps, and foul breath. Some other noteworthy but comparatively uncommon diseases caused by protists would include:-.