Ireland – Listeriosis in Ireland, 2018


Key Facts
 Twenty-two listeriosis cases were notified in 2018, the highest number since
the disease became notifiable in 2004
 All cases had recognised risk factors for listeriosis, with largest increase
occurring among the elderly
 No clusters of listeriosis were identified
 No source was confirmed for any individual case
 Referral of isolates for typing at NSSLRL enables detection of clusters and
monitoring of trends in the strains that cause listeriosis in Ireland

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