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The Department of Health has published recommendations (see below) for preventing traveller's diarrhoea on the web.
- Always wash your hands after going to the lavatory, before handling food and before eating.
- If you have any doubts about the water available for drinking, washing food or cleaning teeth, boil it, sterilise it with disinfectant tablets or use bottled water - preferably carbonated with gas - in sealed containers.
- Avoid ice unless you are sure it is made from treated and chlorinated water. This includes ice used to keep food cool as well as ice in drinks.
- It is usually safe to drink hot tea or coffee, wine, beer, carbonated water and soft drinks, and packaged or bottled fruit juices.
- Eat freshly cooked food which is thoroughly cooked and still piping hot.
- Avoid food which has been kept warm.
- Avoid uncooked food, unless you can peel or shell it yourself.
- Avoid food likely to have been exposed to flies.
- Avoid ice cream from unreliable sources, such as kiosks or itinerant traders.
- Avoid - or boil - unpasteurised milk.
- Fish and shellfish can be suspect in some countries. Uncooked shellfish, such as oysters, are a particular hazard.
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