Changing patterns of disease in the tropics.
D000349:Africa; D000383:Agriculture; D000818:Animals; D002489:Central America; D003141:Communicable Diseases; D003906:Developing Countries; D003967:Diarrhea; D004199:Disease Vectors; D004501:Education, Medical; D004738:Engineering; D005334:Fever; D006801:Humans; D007194:India; D007391:International Cooperation; D008288:Malaria; D009748:Nutrition Disorders; D011158:Population Growth; D012106:Research; D012899:Smallpox; D013020:South America; D014195:Travel; D014329:Tropical Climate; D014507:Urbanization; D014777:Virus Diseases