Influenza activity in Ireland decreased during week 7 2013

February 25, 2013

Several indicators of influenza activity in Ireland decreased during week 7 2013, compared to the previous week, however influenza-associated hospitalisations and outbreaks continue to be reported.  The sentinel GP influenza-like illness (ILI) consultation rate was 40.9 per 100,000 population in week 7 2013, a decrease compared to the updated rate of 58.1 per 100,000 during week 6 2013. ILI rates are above the Irish baseline threshold (21.0 per 100,000 population). ILI age specific rates decreased in all age groups. The proportion of influenza–related calls to GP Out-of-Hours services decreased during week 7 2013, compared to the previous week.  Influenza positivity decreased to 18.8% during week 7 2013, compared to 33.8% during the previous week. Twenty-four influenza B, 12 influenza A(H3) and nine influenza A(H1)pdm09 positive specimens were reported from the NVRL for week 7 2013. During week 7 2013, both influenza A and B were co-circulating. To date this season, one confirmed influenza B-associated death was reported to HPSC (during week 5 2013). Four acute respiratory outbreaks were reported to HPSC during week 7 2013. Significant influenza activity continued across Europe in week 6 2013, despite having peaked in a few countries in earlier weeks.


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