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. 2020 Jan;25(4):2000047.
doi: 10.2807/1560-7917.ES.2020.25.4.2000047.

Ongoing mumps outbreak among adolescents and young adults, Ireland, August 2018 to January 2020

Annamaria Ferenczi  1   2 , Sarah Gee  1 , Suzanne Cotter  1 , Kevin Kelleher  3 ; Mumps Outbreak Control Team  4
Affiliations

Ongoing mumps outbreak among adolescents and young adults, Ireland, August 2018 to January 2020

Annamaria Ferenczi et al. Euro Surveill. 2020 Jan.

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.

Keywords: Ireland; MMR; mumps; outbreak; young adults.

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Conflict of interest statement

Conflict of interest: None declared.

Figures

Figure 1
Figure 1
Number of weekly mumps notifications, Ireland, 18 August 2018 (week 34)–24 January 2020 (week 4) (n = 3,736)
Figure 2
Figure 2
Age-specific incidence rates of mumps notifications, Ireland, 18 August 2018–24 January 2020 (n = 3,728)a
Figure 3
Figure 3
Mumps notifications by year, MMR1 vaccination uptake and history of MMR vaccination, Ireland, 1988–2019
Figure 4
Figure 4
Years between last dose of MMR vaccination received and onset of disease, by doses of MMR, mumps outbreak, Ireland, 2018–2020 (n = 618)a
See this image and copyright information in PMC

References

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    1. Health Service Executive (HSE) Health Protection Surveillance Centre (HPSC). Summary Immunisation Uptake Statistics Data up to Q2 2019. Dublin: HPSC; 2019. Available from: https://www.hpsc.ie/a-z/vaccinepreventable/vaccination/immunisationuptak...

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