Communicable diseases and vector control in 1973.
D000818:Animals; D001424:Bacterial Infections / Q000517:prevention & control; D003140:Communicable Disease Control; D004199:Disease Vectors; D006801:Humans; D007391:International Cooperation; D007918:Leprosy / Q000517:prevention & control; D009855:Onchocerciasis / Q000517:prevention & control; D011528:Protozoan Infections / Q000517:prevention & control; D012552:Schistosomiasis / Q000517:prevention & control; D012749:Sexually Transmitted Diseases / Q000517:prevention & control; D014376:Tuberculosis / Q000517:prevention & control; D014777:Virus Diseases / Q000517:prevention & control; D014944:World Health Organization