No vaccinations are officially required by the Vietnam authorities; however immunization against malaria, cholera, hepatitis, typhoid, tetanus, polio and Japanese encephalitis is advised. Please consult your doctors for further medical advice. Also plan to bring mosquito repellent. Wearing long-sleeved shirts and slacks from dusk onward and avoiding perfume is also recommended. In addition to an ample supply of any prescription drugs you are taking, bring medicines for: Headaches, diarrhea, constipation, insect bites, sore throats, eye drops, cuts, etc.