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Tdap Booster Vaccination for Adults: Real-World Adherence to Current Recommendations in Italy and Evaluation of Two Alternative Strategies

Author

Listed:
  • Maurizio Lecce

    (Department Biomedical Sciences for Health, Postgraduate School in Public Health, University of Milan, 20136 Milan, Italy)

  • Pier Mario Perrone

    (Department Biomedical Sciences for Health, Postgraduate School in Public Health, University of Milan, 20136 Milan, Italy)

  • Silvana Castaldi

    (Department Biomedical Sciences for Health, Postgraduate School in Public Health, University of Milan, 20136 Milan, Italy
    Quality Unit Fondazione IRCCS Ca’ Granda OMP, 20122 Milan, Italy)

Abstract

Background: While the effectiveness of tetanus-diphtheria-pertussis childhood immunization programs is unquestionable, the actual need for a periodic boosting vaccination in adults is controversial. In Italy, the Ministry of Health recommends a Tdap booster vaccination every 10 years. The aim of this study is to assess the real-world adherence of Italian regional healthcare services to national recommendations and to evaluate two alternative strategies. Methods: Annual Tdap vaccine requirements by the 21 Italian regions were retrieved from related tender announcements, and regional and national vaccination coverage rates (VCRs) were estimated for three scenarios, namely the currently recommended 10-year booster vaccination, a single booster shot at age 50 and at age 65. Results: In Scenario 1, no region reached a VCR > 30%, and the national VCR was 10.6%; in Scenario 2, five regions achieved the optimal vaccination coverage of ≥95%, but the vast majority continued to have inadequate VCRs, with a national VCR of 54.4%; in Scenario 3, five regions reached VCRs exceeding 100%, with VCRs from other regions significantly improving and a national VCR of 74.8%. Conclusions: A substantial lack of adherence by Italian regional healthcare services to current national recommendations on tetanus-diphtheria-pertussis adult vaccination was shown. Scenario 3 is the most feasible, i.e., a single booster shot at age 65, possibly administrable along with other already-recommended, age-specific vaccines.

Suggested Citation

  • Maurizio Lecce & Pier Mario Perrone & Silvana Castaldi, 2022. "Tdap Booster Vaccination for Adults: Real-World Adherence to Current Recommendations in Italy and Evaluation of Two Alternative Strategies," IJERPH, MDPI, vol. 19(7), pages 1-9, March.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:7:p:4066-:d:782329
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    Cited by:

    1. Pier Mario Perrone & Simona Scarioni & Elisa Astorri & Chiara Marrocu & Navpreet Tiwana & Matteo Letzgus & Catia Borriello & Silvana Castaldi, 2024. "Vaccination Open Day: A Cross-Sectional Study on the 2023 Experience in Lombardy Region, Italy," IJERPH, MDPI, vol. 21(6), pages 1-14, May.
    2. Pier Mario Perrone & Marina Picca & Romeo Carrozzo & Carlo Virginio Agostoni & Paola Marchisio & Gregorio Paolo Milani & Silvana Castaldi, 2024. "Factors behind Antibiotic Therapy: A Survey of Primary Care Pediatricians in Lombardy," IJERPH, MDPI, vol. 21(8), pages 1-10, August.

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