Antigenic variants of influenza A virus, PR8 strain. I. Their development during serial passage in the lungs of partially immune mice.
D000818:Animals; D000906:Antibodies; D000941:Antigens; D007114:Immunization; D009980:Influenza A virus; D051379:Mice; D009975:Orthomyxoviridae; D012692:Serial Passage
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; INFLUENZA VIRUSES