Evaluation of a School-based Influenza Vaccination Program

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

7854 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-10-31

Study Completion Date

2009-05-31

Brief Summary

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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.

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Detailed Description

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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.

Conditions

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Influenza Influenza Vaccines

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Vaccination township

Shinwu township was randomly designated as intervention township which freely vaccinated on grade 1-4 and 5-9 students.

Group Type EXPERIMENTAL

Trivalent inactivated influenza vaccine

Intervention Type BIOLOGICAL

one dose

Control townships

Guanyin township was designated as control township which only provide free vaccination on grade 1-4 students.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Trivalent inactivated influenza vaccine

one dose

Intervention Type BIOLOGICAL

Other Intervention Names

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Brand Name: VAXIGRIP

Eligibility Criteria

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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