Infectious Diseases 2019

Infectious Diseases 2019

Salmonella infection in Ireland, 2017

23 January, 2019

During 2017, 414 cases of salmonellosis were notified (378 confirmed and 36 probable). The 414 cases notified in 2017 represent a 37% increase compared to 2016; if only confirmed cases are compared, the 378 confirmed in 2017 represent a 25% increase on the number in 2016. Overall this corresponds to a crude incidence rate (CIR) of 8.7 per 100,000 population. Prior to this, the annual CIR had been decreasing gradually over the last eight years (from 10.8/100,000 in 2007 to between 5.7 and 6.3 in the last three years). Similar to 2016, the highest age-specific incidence rate was in children under 5 years of age (17.8/100,000). This is likely to be influenced by clinicians more readily seeking clinical samples in that age group.
Disease acquired in Ireland was more commonly caused by S. Typhimurium and monophasic Typhimurium strains (35%) than by S. Enteritis strains (9%), with other strains making up the remaining 52% of cases.

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