title: Influenza virus split vaccines. Effect of priming infection on serologic response in humans.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D009980:Influenza A virus / Q000276:immunology*; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D007252:Influenza Vaccines