Poliomyelitis in Des Moines, Iowa, 1959. The influence of Salk vaccination on the epidemic pattern and the spread of the virus in the community.
D058872:Epidemics; D007484:Iowa; D007857:Leadership; D011051:Poliomyelitis / Q000453:epidemiology* / Q000276:immunology*; D012111:Residence Characteristics; D014611:Vaccination
POLIOMYELITIS/epidemiology; POLIOMYELITIS/immunology