The malaria situation in 1973.
D000349:Africa; D001208:Asia; D002489:Central America; D005060:Europe; D005380:Financing, Government; D006801:Humans; D007391:International Cooperation; D008288:Malaria / Q000453:epidemiology* / Q000401:mortality* / Q000517:prevention & control*; D012959:Socioeconomic Factors; D013020:South America; D014944:World Health Organization