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Evaluation of a School-based Influenza Vaccination Program

This study has been completed.
Public Health Bureau,Taoyan County Governmnet, Taiwan
Education Department,Taoyan County Governmnet, Taiwan
Information provided by:
Centers for Disease Control, Taiwan Identifier:
First received: August 10, 2009
Last updated: August 17, 2009
Last verified: August 2009
The purpose of this study is to determine whether inactivated influenza vaccines are effective to protect school children and their households from getting influenza infection and further prevent student's absenteeism.

Condition Intervention Phase
Influenza Vaccines
Biological: Trivalent inactivated influenza vaccine
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Prevention
Official Title: Evaluation of a School-based Influenza Vaccination Program

Resource links provided by NLM:

Further study details as provided by Centers for Disease Control, Taiwan:

Primary Outcome Measures:
  • Influenza attack rate [ Time Frame: Three time points: November, December, 2008; February, 2009 ]

Secondary Outcome Measures:
  • Children's absenteeism [ Time Frame: before and after week 38, 2008 ]
  • Vaccine effectiveness [ Time Frame: From November, 2008 to February, 2009 ]
  • Side effects after vaccination [ Time Frame: within one week after vaccination ]

Enrollment: 7854
Study Start Date: October 2008
Study Completion Date: May 2009
Primary Completion Date: March 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Vaccination township
Shinwu township was randomly designated as intervention township which freely vaccinated on grade 1-4 and 5-9 students.
Biological: Trivalent inactivated influenza vaccine
one dose
Other Name: Brand Name: VAXIGRIP
No Intervention: Control townships
Guanyin township was designated as control township which only provide free vaccination on grade 1-4 students.

Detailed Description:
School children were found to be the possible spreaders of the influenza. The successful prevention measure on school children was crucial for controlling the epidemic. In Taiwan, the national influenza immunization program on the grade 1-2 students started in winter, 2007. In this intervention study, the two study townships with 27 schools were included as our study population. The three time questionnaires were issued for collecting the health status of the children during the influenza season. The information on the vaccines' safety was also collected after the vaccination. The community collaborative clinics were responsible for taking the specimens.

Ages Eligible for Study:   6 Years to 16 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • All elementary and junior high school students living in Shinwu and Guanyin townships were eligible to be enrolled into this study
  • Agreed inform consent to participate in this study
  • Complete three times questionaire follow-up

Exclusion Criteria:

  • One junior high school in Shinwu township because it had both high school and junior high school
  Contacts and Locations
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Please refer to this study by its identifier: NCT00961337

Centers for Disease Control, Taiwan
Taipei City, Taiwan, 100
Sponsors and Collaborators
Centers for Disease Control, Taiwan
Public Health Bureau,Taoyan County Governmnet, Taiwan
Education Department,Taoyan County Governmnet, Taiwan
Principal Investigator: Jen-Hsiang Chunag, MD, MS, PhD. National Health Command Center, Centers for disease control, Department of Health, Taiwan, R.O.C
  More Information

Responsible Party: Jen-Hsiang Chuang, Centers for Disease Control, Department of Health,Taiwan, R.O.C. Identifier: NCT00961337     History of Changes
Other Study ID Numbers: DOH97-DC-2003
Study First Received: August 10, 2009
Last Updated: August 17, 2009

Keywords provided by Centers for Disease Control, Taiwan:
school children
influenza vaccination
vaccine effectiveness
influenza attack rate
Influenza vaccine

Additional relevant MeSH terms:
Influenza, Human
Orthomyxoviridae Infections
RNA Virus Infections
Virus Diseases
Respiratory Tract Infections
Respiratory Tract Diseases
Immunologic Factors
Physiological Effects of Drugs processed this record on May 25, 2017