No vaccinations are officially required by the Vietnamese authorities, howeverimmunization against cholera, hepatitis, typhoid, tetanus, polio and Japaneseencephalitis is advised. Please consult your doctors for further medical advice.Also plan to bring mosquito repellent. Wearing long-sleeved shirts and slacksfrom dusk onward and avoiding perfume is also recommended. In addition to anample supply of any prescription drugs you are taking (and a prescription whichcan be filled in case your pills go missing) bring medicines for: Headaches,diarrhea, constipation, insect bites, sore throats, eye drops, cuts, etc.Medical standards outside Hanoi and Saigon, Siemreap and Luangprabang are lowerthat those found in western countries.