title: Letter to the editor: Potential causes of the decreased effectiveness of the influenza A(H1N1)pdm09 strain in live attenuated influenza vaccines.
authors.affiliation: MedImmune, Gaithersburg, MD, United States.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Ambrose
authors.affiliation: MedImmune, Speke, United Kingdom.
authors.forename: Helen
authors.initials: H
authors.lastname: Bright
authors.affiliation: MedImmune, Gaithersburg, MD, United States.
authors.forename: Raburn
authors.initials: R
authors.lastname: Mallory
mesh_terms: D000914:Antibodies, Viral; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007252:Influenza Vaccines / Q000276:immunology / Q000494:pharmacology*; D014613:Vaccines, Attenuated / Q000276:immunology / Q000494:pharmacology*
chemical_list: D000914:Antibodies, Viral; D007252:Influenza Vaccines; D014613:Vaccines, Attenuated
keywords: LAIV; influenza; live attenuated influenza vaccine; vaccine effectiveness; vaccines and immunisations