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. 2023 Nov 1;64(3):E289-E297.
doi: 10.15167/2421-4248/jpmh2023.64.3.3001. eCollection 2023 Sep.

Effectiveness of a vaccine recovery plan after the COVID-19 pandemic in the Siracusa Local Health Authority, Italy. Results of one year follow-up

Fabio Contarino  1 , Erminio DI Pietro  1 , Concetta Randazzo  1 , Francesca Bella  2 , Maria Lia Contrino  3
Affiliations

Effectiveness of a vaccine recovery plan after the COVID-19 pandemic in the Siracusa Local Health Authority, Italy. Results of one year follow-up

Fabio Contarino et al. J Prev Med Hyg. .

Abstract

Introduction: The COVID-19 pandemic has strongly impacted on the immunization services around the world, threatening the gains made in the control of vaccine-preventable diseases.

Methods: A vaccination recovery plan of missed vaccinations has been put in place in the LHA of Siracusa after the pandemic. We compared 2021 and 2020 vaccination coverage by age group and vaccine type after one year of follow-up of the recovery plan. The Chi-square test was executed on proportions for the years 2021 vs 2020. Results were considered statistically significant at a two-tailed p-value ≤ 0.05.

Results: 36-month coverage rates were 92.5% for polio and 93.7% for measles-containing-vaccine, representing -0.3% and -1.8% decreases, respectively, as compared to 2020. By 8 years of age (booster doses), immunisation coverage was 80.7% for polio and 80.1% for measles, representing a -5.7% and -3.7%, respectively, compared to 2020. 36-month coverage was 56.6% for Men B (-5.0% as compared to 2020), 73.2% for Men ACW135Y/C (+1.1% as compared to 2020) and 86.9% for PNC vaccine (-1.7%, as compared to 2020). Regarding HPV vaccination, in 2021, vaccine coverage was 44.2% (-4.4% compared to 2020). Compared to the previous report, the VC difference among the cohorts narrowed for all almost vaccinations, except for the anti-men B and the anti-HPV vaccination, for which we recorded an increase in VC difference, and for men ACW135Y/C, for which a significant increase has been recorded.

Conclusions: Despite the efforts to organize and realize an extensive and well-designed vaccination recovery, our data show that even after the 1-year follow-up, globally deficits in coverage for these routine vaccinations persist, although there has been a substantial and significant recovery of missed vaccinations, especially among younger children and for primary cycles.

Keywords: COVID-19 pandemic; Catch-up programmes; Childhood immunization; Missed vaccinations; Recovery plan; Vaccine coverage; Vaccine-preventable diseases.

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Conflict of interest statement

The authors declare no conflict of interest.

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