Debate on annual influenza vaccination in healthcare workers for the same subtype under the vaccine shortage

Joon-Young Song, Seok Hoon Ha, Sae Yoon Kee, Hye Won Jeong, Hee-Jin Cheong, Woo Joo Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Background: Influenza vaccination is the primary method for preventing influenza and its severe complications. Healthcare workers (HCWs) are one of the priority groups for the influenza vaccination. Objectives: To determine whether healthy HCWs, who were vaccinated with the same subtype for the two previous years, could be given less priority for influenza immunization under the vaccine shortage. Study design: We measured hemagglutination-inhibition antibody titers from sequential serum samples in 50 pre-immune subjects and 50 age-matched vaccine-naive subjects: immediately prior to the administration of the vaccine, 4-6 weeks, and 6 months after the vaccination. Results: Prevaccination titers were maintained above protective level and high protection rates were observed for all three strains in pre-immune subjects: A/H1N1, A/H3N2, and B strains. As for the sequential changes, the protection rates for all three strains still remained above 70% until 6 months following the vaccination. Conclusion: Skipping influenza vaccination for a year could be considered in healthy pre-immune HCWs under the epidemic of the same subtype as two previous years.

Original languageEnglish
Pages (from-to)149-152
Number of pages4
JournalJournal of Clinical Virology
Volume38
Issue number2
DOIs
Publication statusPublished - 2007 Feb 1

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Human Influenza
Vaccination
Vaccines
Delivery of Health Care
Hemagglutination
Immunization
Antibodies
Serum

Keywords

  • Healthcare worker
  • HI antibody
  • Influenza vaccine

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Virology
  • Immunology and Allergy
  • Infectious Diseases

Cite this

Debate on annual influenza vaccination in healthcare workers for the same subtype under the vaccine shortage. / Song, Joon-Young; Ha, Seok Hoon; Kee, Sae Yoon; Jeong, Hye Won; Cheong, Hee-Jin; Kim, Woo Joo.

In: Journal of Clinical Virology, Vol. 38, No. 2, 01.02.2007, p. 149-152.

Research output: Contribution to journalArticle

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AB - Background: Influenza vaccination is the primary method for preventing influenza and its severe complications. Healthcare workers (HCWs) are one of the priority groups for the influenza vaccination. Objectives: To determine whether healthy HCWs, who were vaccinated with the same subtype for the two previous years, could be given less priority for influenza immunization under the vaccine shortage. Study design: We measured hemagglutination-inhibition antibody titers from sequential serum samples in 50 pre-immune subjects and 50 age-matched vaccine-naive subjects: immediately prior to the administration of the vaccine, 4-6 weeks, and 6 months after the vaccination. Results: Prevaccination titers were maintained above protective level and high protection rates were observed for all three strains in pre-immune subjects: A/H1N1, A/H3N2, and B strains. As for the sequential changes, the protection rates for all three strains still remained above 70% until 6 months following the vaccination. Conclusion: Skipping influenza vaccination for a year could be considered in healthy pre-immune HCWs under the epidemic of the same subtype as two previous years.

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