This is a vast area with a great diversity of climates, cultures and socioeconomic levels. Singapore enjoys high standards of public health that are as good or even better than in western countries and no precautions are necessary. Other countries have significant problems with poverty and sanitation.
Giardiasis is common.
See general health precautions. These mosquitoes bite from dusk through dawn. There has been no local malaria transmission in the Maldives since 1983. VIET NAM Epidemics of dengue fever and Japanese encephalitis occur in most countries except the western perimeter, where there is Crimean-Congo haemorrhagic fever instead. Leishmaniasis and filariasis are reported from China, filariasis mainly from the south.