Mosquitoes carry the protozoa on their stomach linings and in their salivary glands.
But after any treatment is taken, protozoa may hide out in tissues like the liver or spleen, pop up to plague a "cured" man months or years afterwards; and a patient who succeeds .
Protozoa are usually found in ponds and moist, humid places like garden soil.
Are brain-eating parasites on the rise? Most of us have heard of the recent cases of brain-eating parasites, involving the life-threatening protozoa Naegleria fowleri. Here is what you need to know about the parasite and how you can prevent your chance of infection.
Aug. 28, 2013 - Fox News