Abstract
Between 18 August 2018 and 24 January 2020, 3,736 mumps cases were notified in Ireland. The highest numbers of notifications were observed in the age group 15–24 years. Vaccination status was reported for 32% (n = 1,199) of cases: 72% of these had received two doses of measles-mumps-rubella (MMR) vaccine. Vaccination uptake after free MMR vaccination targeting colleges and universities since early 2019 was low. Therefore, a national media campaign began in January 2020.
Highlights
Annamaria Ferenczi1,2, Sarah Gee1, Suzanne Cotter1, Kevin Kelleher3, on behalf of the Mumps Outbreak Control Team4 1
Ongoing mumps outbreak among adolescents and young adults, Ireland, August 2018 to January 2020
A number of discrete mumps outbreaks were reported in Ireland between August and December 2018, but limited to three Health Service Executive (HSE) public health surveillance regions (Western, North-Western and North-Eastern) (n = 372 cases)
Summary
Ongoing mumps outbreak among adolescents and young adults, Ireland, August 2018 to January 2020. Between 18 August 2018 and 24 January 2020, 3,736 mumps cases were notified in Ireland. A number of discrete mumps outbreaks were reported in Ireland between August and December 2018, but limited to three Health Service Executive (HSE) public health surveillance regions (Western, North-Western and North-Eastern) (n = 372 cases). Mumps has been a notifiable disease in Ireland since 1988 [1]; and for surveillance, an Irish case definition is used [2]. Enhanced surveillance data, such as vaccination status, clinical complications, and epidemiological links, are collected if local public health resources permit. We report the emergence of the mumps outbreak and population groups affected
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