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Opsono-Adherence Assay to Evaluate Functional Antibodies in Vaccine Development Against Bacillus anthracis and Other Encapsulated Pathogens
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Annual immunisation coverage report 2021.

Brynley Hull1, Alexandra Hendry2, Aditi Dey2

  • 1National Centre for Immunisation Research and Surveillance. The Children's Hospital at Westmead and The University of Sydney. brynley.hull@health.nsw.gov.au.

Communicable Diseases Intelligence (2018)
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PubMed
Summary
This summary is machine-generated.

Australian childhood and adolescent vaccination coverage remained high in 2021, but some declines were observed, potentially due to the COVID-19 pandemic. Adult vaccination coverage, particularly for influenza and zoster vaccines, requires improvement.

Keywords:
vaccination coveragevaccination timelinessAboriginal and Torres Strait Islander vaccination coverageinfluenza vaccinationCOVID-19 vaccination

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Area of Science:

  • Immunology
  • Public Health
  • Epidemiology

Background:

  • The Australian Immunisation Register (AIR) collects vaccination data for children, adolescents, and adults.
  • Understanding vaccination trends is crucial for public health initiatives and disease prevention.

Purpose of the Study:

  • To analyze Australian vaccination coverage data for 2021, comparing it with previous years.
  • To identify trends and potential impacts of the COVID-19 pandemic on vaccination rates across different age groups.

Main Methods:

  • Analysis of Australian Immunisation Register (AIR) data for the calendar year 2021.
  • Comparison of vaccination coverage rates for children, adolescents, and adults against previous years' data.
  • Examination of vaccination trends across different age milestones and demographic groups, including Indigenous populations and areas of varying socioeconomic advantage.

Main Results:

  • Childhood vaccination coverage showed slight decreases in 2021 compared to 2020, with notable drops in influenza vaccination for children aged 6-59 months.
  • Adolescent human papillomavirus (HPV) vaccination completion within a calendar year decreased significantly in 2021, likely due to pandemic disruptions to school programs.
  • Adult vaccination coverage varied, with relatively low rates for zoster and 13vPCV vaccines, while COVID-19 vaccine uptake was high, especially in older age groups. Influenza vaccination coverage increased with age.

Conclusions:

  • While overall vaccination coverage in children and adolescents remained high, the COVID-19 pandemic showed some impact, particularly on timely HPV vaccination.
  • There is a need for strengthened focus on adult vaccination programs to improve suboptimal coverage rates.
  • Further evaluation is needed to assess the impact of mandatory reporting on the completeness of AIR data.