title: [Infectious diseases: monthly or four-weekly number of reported cases, 1974 and 1975].
mesh_terms: D000349:Africa; D000569:Americas; D001208:Asia; D001315:Australia; D003141:Communicable Diseases / Q000453:epidemiology*; D004403:Dysentery / Q000453:epidemiology; D005060:Europe; D006506:Hepatitis A / Q000453:epidemiology; D006801:Humans; D007239:Infections / Q000453:epidemiology; D010139:Pacific Islands; D010284:Paratyphoid Fever / Q000453:epidemiology; D012480:Salmonella Infections / Q000453:epidemiology; D014435:Typhoid Fever / Q000453:epidemiology*; D014944:World Health Organization