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Disease, disease manifestations
- Can be asymptomatic
- Diarrhoea, stomach cramps, loss of appetite, nausea
Life-cycle: stages, forms, diseases caused, intervention points
- Pear-shaped motile trophozoite
- And cyst form
Transmission and shedding
- Direct infection via ingestion of cysts
- Cysts pass into stools intermittently
Hosts, reservoirs in life-cycle; vectors
- Human hosts, can be animal
- Vectors: contaminated food, hands, water
- Probably zoonotic
Main drugs in treatment
- Metronidazole or tinidazole
Main drugs used in prophylaxis (preventative Rx)
- Good personal hygiene, clean water, carefully prepared food
Other information
- Cosmopolitan flagellate
- Most common intestinal protozoan
- Common in Aborigines, childcare facilities
- One of most commonly acquired by travellers
Category:
Microbiology Notes
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