title: Immunological evaluation of antigenic relationship between the variants of A2 influenza virus by differentiation of antibody classes.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D000956:Antigens, Viral / Q000032:analysis*; D014644:Genetic Variation; D007114:Immunization; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007156:Immunologic Memory; D008722:Methods; D009975:Orthomyxoviridae / Q000276:immunology*; D051381:Rats
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D007074:Immunoglobulin G; D007075:Immunoglobulin M