PUBLIC health statistics: influenza; smallpox at Brighton; poliomyelitis; births and deaths in 1950.
D003141:Communicable Diseases; D003643:Death; D006801:Humans; D007223:Infant; D007251:Influenza, Human; D011051:Poliomyelitis; D011634:Public Health; D012899:Smallpox; D012901:Variola virus