The 414 cases notified in 2017 were the highest number of salmonellosis cases reported
in Ireland since 2008
International travel is a large contributor to the overall burden of salmonellosis in Ireland (40%), in particular in summer months
The most common serotypes reported in Ireland and internationally are S. Enteritidis and S. Typhimurium, with S. Typhimurium the more prevalent among cases acquired in
Ireland
The highest reported incidence was in children under five years, with this effect being
more pronounced among cases acquired in Ireland
A large outbreak of S. Brandenburg in HSE-E resulted in this serotype being the third
most common serotype in Ireland this year. This highlights the continued potential for
foodborne outbreaks of salmonellosis
The introduction of WGS at the NSSLRL has contributed to confirmation of suspected
outbreaks and to the identification of outbreaks which may not have been recognised on
epidemiological grounds alone
WGS has also enabled a small cluster of cases in Ireland to be recognised as being part
of a much larger EU incident
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