| BACTERIA |
ONSET PERIOD |
SYMPTOMS |
| Salmonella |
6-72 hours (usually 12 to 36) |
Abdominal pain, diarrhoea, vomiting, fever (1-7 days) |
| Staphylococcus Aureus |
1 to 6 hours |
Abdominal pain, vomiting subnormal temperatures (6 to 24 hours) |
| Clostridium Perfringens |
8 to 22 hours (usually 12to18 hours) |
Abdominal pain, diarrhoea. Vomiting rare. (12 to 48 hours) |
| Escherichia Coli (E-coli) |
10 to72 hours (usually 12to24) |
Abdominal pain, fever, diarrhoea and vomiting. ( 1 to 5 days) |
| nlg asks you use these for guidance only. |
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