title: PRE-EXISTING IMMUNITY: A FITNESS INDEX FOR INFLUENZA VACCINATION.
authors.forename: M
authors.initials: M
authors.lastname: Sinyakov
authors.forename: R
authors.initials: R
authors.lastname: Avtalion
mesh_terms: D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D014611:Vaccination / Q000379:methods*
chemical_list: D007252:Influenza Vaccines