[Universal incidence of influenza in the epidemic of 1950-51].
D001699:Biometry; D058872:Epidemics; D006801:Humans; D015994:Incidence; D007251:Influenza, Human / Q000453:epidemiology* / Q000706:statistics & numerical data*
INFLUENZA/epidemiology and statistics
A incidência universal da gripe na epidemia de 1950-51.