1.gas gangrene
- poor prognosis
-fatal outcome
-infected muscle is discoloured ( purple mottling) and oedematous and a foul smelling exudate and gas bubble which cause crepitation
2.food poisoning
- result from ingestion of large number of organism in contaminated food usually meat or meat products
- incubtion period is 8-24 hours
- symptoms include diarrhoea , cramps, and abd pain
- lasts for 24 hours
- no specific treatment
- only fluid therapy to correct the electrolyte imbalance
3.faecal pollution of water
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