What protists are parasitic?
There are many parasitic protists which cause diseases in human: from well known Plasmodium to little known Toxoplasma. Then there are parasitic protists which affect organisms other than human.
Parasitic protists in human:
- Plasmodium causes malaria
- Entamoeba causes bloody diarrhoea
- Giardia causes an upset stomach
- Trypanosoma causes sleeping sickness and chagas disease
- Leishmania causes kala azar/dumdum fever
- Trichominas causes inflammation of vagina
- Toxoplasma infects tissues of brain, eyes, etc.
These parasites are of diverse type: either flagellate or sporozoan or pseudopodial in nature. It is important to note that all sporozoan protists are obligatory parasites: and can affect a wide range of organisms like fishes, insects, oysters, annelid worms, etc.
Some protozoan parasites in animals are:
- Eimeria causes inflammation in gut of poultry.
- Babasia causes red water fever in cattle.