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Author Spotlight: Advancements in Multiplex Detection of Respiratory Viruses
Published on: November 10, 2023
Measles epidemiology in Australia: 2014 to 2024
Lizzie Gorrell1, Benjamin Polkinghorne2, David Durrheim3
1Australian Centre for Disease Control, Canberra, Australian Capital Territory, Australia. Lizzie.Gorrell@cdc.gov.au.
Australia has maintained measles elimination since 2014. Most measles cases involved unvaccinated adults aged 20-49, often acquired overseas, highlighting the need for continued high vaccination rates.
Area of Science:
- Public Health
- Epidemiology
- Infectious Diseases
Background:
- Australia achieved endemic measles elimination in 2014.
- This study analyzes measles epidemiology in Australia from 2014 to 2024.
Purpose of the Study:
- To describe the epidemiology of measles in Australia post-elimination.
- To identify trends, risk factors, and sources of measles cases.
Main Methods:
- Analysis of national measles notification data from 2014-2024.
- Data stratified by age, sex, location, genotype, acquisition source, vaccination status, and outbreak clusters.
Main Results:
- 1,095 measles notifications occurred between 2014-2024, with peak rates in 2014 and 2019.
- Adults aged 20-49 comprised 57.2% of cases; 66.9% were unvaccinated.
- Over half of cases were acquired in Australia, with international travel being a common source, particularly from Indonesia, the Philippines, and India.
Conclusions:
- Australia has sustained measles elimination.
- Unvaccinated international travelers aged 20-49 are a primary source of measles cases.
- Maintaining high routine two-dose measles vaccination coverage and promoting vaccination for international travelers are crucial.
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