Serological survey in animals for type A influenza in relation to the 1957 pandemic.
D000818:Animals; D005060:Europe; D006385:Hemagglutination Inhibition Tests; D006736:Horses; D006801:Humans; D007251:Influenza, Human / Q000276:immunology*; D058873:Pandemics; D013552:Swine
INFLUENZA/immunology