Antigenic variants of influenza A virus (PR8 strain). V. Virulence, antigenic potency, and cross-protection tests in mice of the original and second series.
D000818:Animals; D000906:Antibodies; D000941:Antigens; D003429:Cross Reactions; D006801:Humans; D007109:Immunity; D009980:Influenza A virus; D007251:Influenza, Human; D008168:Lung; D008297:Male; D051379:Mice; D009975:Orthomyxoviridae / Q000276:immunology*; D014611:Vaccination; D014774:Virulence
D000906:Antibodies; D000941:Antigens
INFLUENZA VIRUSES/immunology