Improving the accuracy of ACIR data and increasing vaccination rates

Thaïs A Miles1, Linda V Granger1, Colleen L Gately1

  • 1Central Coast Public Health Unit.

Insights

Targeted follow-up of children overdue for immunisation significantly improved vaccination timeliness and coverage rates. This proactive approach enhanced public health by ensuring more children received timely vaccinations.

Area of Science:

  • Public Health
  • Immunisation
  • Preventive Medicine

Background:

  • Vaccine-preventable diseases require timely immunisation and high coverage rates.
  • The Australian Childhood Immunisation Register (ACIR) identifies children overdue for vaccination.

Purpose of the Study:

  • To assess if follow-up of overdue children improves immunisation timeliness and coverage.
  • To evaluate the effectiveness of a targeted intervention strategy.

Main Methods:

  • A quality improvement study alternating intervention and non-intervention periods over 24 months.
  • Intervention involved contacting vaccination providers and parents for overdue children (9-10 months) listed on ACIR.
  • Register updates and parental encouragement for incomplete schedules were part of the intervention.

Main Results:

  • Vaccination timeliness improved in the intervention group compared to non-intervention periods.
  • Fully vaccinated rates in the Central Coast diverged positively from NSW rates during the study.
  • Quarters with more intensive intervention (2/3 months) showed the highest fully vaccinated rates.

Conclusions:

  • Proactive follow-up of children identified as overdue by ACIR enhances vaccination timeliness.
  • The intervention strategy effectively increased the proportion of fully vaccinated children.
  • Public health initiatives targeting immunisation gaps are crucial for disease prevention.

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