Parasites Acanthamoeba Ascaris Babesia Balamuthia Chilomastix Blastocystis Cryptosporidium Cyclospora Diphyllobothrium Endolimax Entamoeba Filarial Fluke, blood Fluke, intestinal Fluke, liver Fluke, lung Giardia Heartworm Hookworm Hymenolepsis Leishmania Malaria Naegleria Pinworm Plasmodium Ringworm, see Microsporum Trichophyton Strongyloides Taenia Tapeworm, fish Tapeworm, beef/pork Tapeworm, dwarf Toxoplasma Trichinella Trichomonas Trypanosome Whipworm