The Nigerian environment and parasitic infections.
D004320:Dracunculiasis / Q000453:epidemiology; D006801:Humans; D008288:Malaria / Q000453:epidemiology; D009549:Nigeria; D010272:Parasitic Diseases / Q000453:epidemiology* / Q000517:prevention & control; D012499:Sanitation; D012552:Schistosomiasis / Q000453:epidemiology; D012959:Socioeconomic Factors