Letter: Influenza virus subunit vaccine.
D000914:Antibodies, Viral / Q000096:biosynthesis; D006801:Humans; D007115:Immunization Schedule; D007252:Influenza Vaccines / Q000008:administration & dosage*; D009975:Orthomyxoviridae / Q000276:immunology
D000914:Antibodies, Viral; D007252:Influenza Vaccines