title: Seasonal flu vaccination in Dutch at-risk populations was not affected by A(H1N1) 2009 pandemic vaccination.
authors.forename: Margot A J B
authors.initials: MA
authors.lastname: Tacken
authors.forename: Jan
authors.initials: J
authors.lastname: Mulder
authors.forename: Robert A
authors.initials: RA
authors.lastname: Verheij
authors.forename: Marie-Louise A
authors.initials: ML
authors.lastname: Heijnen
authors.forename: Stephen M
authors.initials: SM
authors.lastname: Campbell
authors.forename: Jozé C C
authors.initials: JC
authors.lastname: Braspenning
mesh_terms: D015331:Cohort Studies; D005260:Female; D006801:Humans; D015994:Incidence; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D008297:Male; D009313:National Health Programs / Q000458:organization & administration; D009426:Netherlands / Q000453:epidemiology; D058873:Pandemics / Q000517:prevention & control*; D011322:Primary Prevention / Q000458:organization & administration; D012189:Retrospective Studies; D018570:Risk Assessment; D014611:Vaccination / Q000592:standards* / Q000639:trends
chemical_list: D007252:Influenza Vaccines