title: [Infectious diseases: monthly or four-weekly number of reported cases, 1974 and 1975].
mesh_terms: D000349:Africa; D000569:Americas; D001208:Asia; D004671:Encephalitis, Arbovirus / Q000453:epidemiology; D005060:Europe; D006801:Humans; D007239:Infections / Q000453:epidemiology*; D008457:Measles / Q000453:epidemiology; D008589:Meningococcal Infections / Q000453:epidemiology; D010139:Pacific Islands; D010612:Pharyngitis / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology; D012541:Scarlet Fever / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology; D014917:Whooping Cough / Q000453:epidemiology; D014944:World Health Organization