Clinical Classification
- Single-celled (protozoa)
- Intestinal
- Amoeba
- Flagellates
- "Coccidia" (not a microbiologically-sound category)
- Ciliated
- Blood
- Tissue
- Brain
- Toxoplasma gondii
- Free-living amoebae
- Muscle
- Kinetoplasts: flagellated protozoa with DNA inside large mitochondria at one end
- Brain
- Intestinal
- Multicellular
- Worms (helminths)
- Nematodes (roundworms)
- Filarial/filariasis
- Lymphatic (elephantiasis)
- Subsutaneous/tissue
- Serous
- Non-filarial
- Soil-transmitted
- Ascaris lumbricoides (great roundworm)
- Trichuris trichiura (whipworm)
- Hookworm
- Ancylostoma duodenale (Old World hookworm)
- Necator americanus (New World hookworm)
- Strongyloides stercoralis (threadworm)
- Non-soil-transmitted
- Enterobius vermicularis (pinworm)
- Trichinella spiralis
- Balisascaris procyonis
- Dracunculus medinensis (Guinea worm)
- Angiostrongylus cantonensis
- Anisakis (herring worm)
- Gnathostoma
- Soil-transmitted
- Filarial/filariasis
- Cestodes (tapeworms)
- Taenia saginata
- Taenia solium
- Adult worm
- Neurocysticercosis
- Echinococcus
- Diphyllobothrium
- Trematodes (flatworms/flukes)
- Nematodes (roundworms)
- Ectoparasites
- Fleas
- Lice
- Body lice
- Head lice
- Pubic lice
- Scabies
- Myiasis
- Dermatobia hominis (human botfly)
- Cordylobia anthropophaga (tumbu fly)
- Cochliomyia hominivorax (New World screwworm fly)
- Chrysomya bezziana (Old World screwworm fly)
- Tungiasis
- Worms (helminths)