title: Improving influenza vaccination rates for children through year-round scheduling.
abstract: OBJECTIVE
  Barriers to influenza vaccination negatively impact immunization rates contributing to the morbidity and mortality from influenza. This study sought to determine if 1) the availability of year-round scheduling of annual autumn/winter influenza vaccination was associated with improved immunization rates for 2 high-risk populations of children and 2) this system was associated with early season vaccine administration.
  
  
  METHODS
  A retrospective cohort analysis was utilized to compare immunization rates during the 2003-2004 and 2004-2005 seasons. Billing records were used to determine eligible patients and vaccine receipt. A single, pediatric practice was studied, and two groups of patients were analyzed: 1) infants aged 6-23 months and 2) children < 21 years old with asthma. As opposed to Year 1, in Year 2 appointments in "flu clinics" for the following autumn became available 7 months prior to when vaccine became available. Patients and providers could therefore schedule an immunization appointment throughout the year.
  
  
  RESULTS
  In Year 1, 552/1365 (40.4%) infants received at least 1 dose of influenza vaccine compared to 940/1265 (74.3%) in Year 2 (p < 0.001). For patients with asthma, 309/1332 (23.2%) received at least 1 dose of vaccine in Year 1 compared with 522/1489 (35.1%) in Year 2 (p <0.001). Both groups also achieved higher immunization rates between September and November in Year 2 (p < 0.001).
  
  
  CONCLUSIONS
  Year-round scheduling of influenza vaccination was associated with improved immunization rates in two high-risk populations, and may remove the barrier of scheduling difficulty, allow for a consistent year-round message from providers, and improve timing of vaccine administration.
authors.affiliation: Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA. ipaul@psu.edu
authors.forename: Ian M
authors.initials: IM
authors.lastname: Paul
authors.forename: Sara B
authors.initials: SB
authors.lastname: Eleoff
authors.forename: Michele L
authors.initials: ML
authors.lastname: Shaffer
authors.forename: Ryan M
authors.initials: RM
authors.lastname: Bucher
authors.forename: Kathleen M
authors.initials: KM
authors.lastname: Moyer
authors.forename: Maryellen E
authors.initials: ME
authors.lastname: Gusic
mesh_terms: D000293:Adolescent; D001071:Appointments and Schedules; D001249:Asthma; D002648:Child; D002675:Child, Preschool; D006297:Health Services Accessibility; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration* / Q000706:statistics & numerical data; D007115:Immunization Schedule; D007223:Infant; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000517:prevention & control*; D010414:Pennsylvania; D012189:Retrospective Studies
chemical_list: D007252:Influenza Vaccines