title: Studies on the value of IgG, IgM and IgA antibody levels in the epidemiology of influenza.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M