Food poisoning is the term for attacks of vomiting and diarrhoea which can happen within 24 hours of eating food contaminated with bacteria, toxins or chemicals.
However, it is also possible for the same disease to pass from person to person or, more commonly, to be spread by infected water.
In recent years there was an Australia-wide outbreak of gastro-enteritis due to contaminated oysters from the St. George River in NSW and, before that, over 60 cases of typhoid occurred in Victoria from a carrier working in a takeaway food store. And infected salami caused an outbreak and temporarily closed the factory making the salami.
Typhoid and paratyphoid fevers are specific diseases due to specific germs.
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