Adequate medical care is available in Georgetown, at least at private hospitals, but facilities are few elsewhere. Chloroquine-resistant malaria is endemic, and dengue fever is also a danger, particularly in the interior and even in Georgetown – protect yourself against mosquitoes and take a malaria prophylaxis. Typhoid, hepatitis A, diphtheria/tetanus and polio inoculations are recommended. Guyana is regarded as a yellow-fever-infected area, and your next destination may require a vaccination certificate, as does Guyana when you arrive. Tap water is suspect, especially in Georgetown. Cholera outbreaks have occurred in areas with unsanitary conditions, but precautions are recommended everywhere.