STUDIES of the 1943 epidemic of influenza A; epidemiological characteristics in varied types of military units and comparison with undifferentiated acute respiratory disease.
D058872:Epidemics; D006801:Humans; D009980:Influenza A virus / Q000453:epidemiology*; D007251:Influenza, Human; D008889:Military Personnel; D012120:Respiration Disorders
INFLUENZA, A/epidemiology