Observations on the effect of vaccination upon an epidemic of influenza due to virus A at Fort Lewis, Washington.
D001699:Biometry; D058872:Epidemics; D006801:Humans; D007109:Immunity; D007251:Influenza, Human / Q000453:epidemiology* / Q000706:statistics & numerical data*; D014611:Vaccination; D014861:Washington
IMMUNITY; INFLUENZA/epidemiology and statistics