Mass Vaccination Campaign against Hepatitis B in Adolescents in Iran: Estimating Coverage using Administrative Data

Seyed Moayed Alavian; Mohammad Mehdi Gooya; Behzad Hajarizadeh; Abdol-Reza Esteghamati; Amir Majid Moeinzadeh; Mehrdad Haghazali; Gholam Abbas Zamani; Fatemeh Yaghin; Kamran Bagheri Lankarani

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Mass Vaccination Campaign against Hepatitis B in Adolescents in Iran: Estimating Coverage using Administrative Data

Author(s):

Seyed Moayed Alavian

¹,

Mohammad Mehdi Gooya²,

Behzad Hajarizadeh^2,*,

Abdol-Reza Esteghamati²,

Amir Majid Moeinzadeh³,

Mehrdad Haghazali²,

Gholam Abbas Zamani²,

Fatemeh Yaghin²,

Kamran Bagheri Lankarani

⁴

1Baqiyatallah Research Center for Gastroenterology and Liver Disease, Baqiyatallah University of Medical Sciences, Tehran, Iran

2Center for Disease Control, Ministry of Health and Medical Education of I.R. Iran, Tehran, Iran

3Babol University of Medical Sciences, Babol, Iran

4Ministry of Health and Medical Education of I.R. Iran, Tehran, Iran

Hepatitis Monthly:Vol. 9, issue 3; 189-195

Published online:Sep 30, 2009

Article type:Research Article

Received:Oct 01, 2008

Accepted:Apr 18, 2009

How to Cite:Alavian S M, Gooya M M, Hajarizadeh B, Esteghamati A, Moeinzadeh A M, et al. Mass Vaccination Campaign against Hepatitis B in Adolescents in Iran: Estimating Coverage using Administrative Data.Hepat Mon.2009;9(3):189-195.

Abstract

Background and Aims: Hepatitis B vaccination has been part of the EPI of Iran since 1993. To extend HBV immunization to 25-year-old adolescents, HBV mass vaccination has been planned for adolescents born from 1989 to 1992. The first 3-round campaign in Iran covered 1989-born adolescents and was implemented in 2007. This study was conducted to estimate vaccination coverage of the campaign using administrative data at the provincial level.

Methods: To assess the campaign vaccination coverage we divided the number of adolescents vaccinated in the campaign by the total number of 17-year-old adolescents who resided in a given province. For the number of vaccinated cases we used administrative data as reported from universities of medical sciences and for the basic population we used the data from the last national population census (2007).

Results: After the 3 rounds of the campaign, a total of 3,983,291 doses of vaccine were administered. At the end of the third round, 70.0% (from 44.2% to 96.1% in various provinces) of the target population received full doses of the HBV vaccination. Moreover, 74.5% (51.3% to 99.9% in various provinces) received at least two doses and 78.3% (from 52.9% to 100% in various provinces) received at least one dose of the vaccine. Nineteen out of 30 provinces achieved acceptable full-dose coverage of higher than 70%. Low coverage (less than 50%) was reported from 3 provinces. Vaccination coverage was significantly higher in girls compared with boys (83.3% vs. 68.7% for full-dose coverage; P<0.001). In addition, vaccination coverage was significantly higher in rural areas than urban areas (84.1% vs. 68.7% for full-dose coverage; P<0.001).

Conclusions: The campaign reached acceptable coverage in the majority of the provinces. Higher coverage for women and rural areas, two known vulnerable populations in most health care systems, was attained within the campaign.

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Author(s):

Seyed Moayed Alavian:[PubMed][Scholar]
Mohammad Mehdi Gooya:[PubMed][Scholar]
Behzad Hajarizadeh:[PubMed][Scholar]
Abdol-Reza Esteghamati:[PubMed][Scholar]
Amir Majid Moeinzadeh:[PubMed][Scholar]
Mehrdad Haghazali:[PubMed][Scholar]
Gholam Abbas Zamani:[PubMed][Scholar]
Fatemeh Yaghin:[PubMed][Scholar]
Kamran Bagheri Lankarani:[PubMed][Scholar]

Official Journal of Research Center for Gastroenterology and Liver Diseases

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Mass Vaccination Campaign against Hepatitis B in Adolescents in Iran: Estimating Coverage using Administrative Data

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