Bottled water is available and is advised for the first few weeks of the stay.
Drinking water outside main cities and towns may be contaminated and sterilisation is advisable. Milk is pasteurised and dairy products are safe for consumption. Local meat, poultry, seafood, fruit and vegetables are generally considered safe to eat. Hepatitis A and B occur and vaccination is recommended. Typhoid fever occurs and outbreaks of Japanese encephalitis have been reported as have epidemics of dengue fever.