title: Infectious diseases: monthly or four-weekly number of reported cases, 1976--1977.
mesh_terms: D000562:Amebiasis / Q000453:epidemiology; D003141:Communicable Diseases / Q000453:epidemiology*; D004405:Dysentery, Bacillary / Q000453:epidemiology; D005517:Foodborne Diseases / Q000453:epidemiology; D006506:Hepatitis A / Q000453:epidemiology; D006801:Humans; D010284:Paratyphoid Fever / Q000453:epidemiology; D012480:Salmonella Infections / Q000453:epidemiology; D014435:Typhoid Fever / Q000453:epidemiology