title: Inactivated influenza vaccines. 2. Laboratory indices of protection.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D006385:Hemagglutination Inhibition Tests; D006387:Hemagglutination, Viral; D006801:Humans; D007106:Immune Sera; D007252:Influenza Vaccines / Q000592:standards*; D007251:Influenza, Human / Q000517:prevention & control*; D009439:Neuraminidase; D014774:Virulence
chemical_list: D000914:Antibodies, Viral; D007106:Immune Sera; D007252:Influenza Vaccines; D009439:Neuraminidase