All indicators of influenza activity in Ireland were at low levels during week 44 2015. RSV and other seasonal respiratory virus positivity has increased over the last two weeks; in conjunction with increasing respiratory admissions reported from a network of sentinel hospitals.

November 9, 2015

The sentinel GP influenza-like illness (ILI) consultation rate was 3.7 per 100,000 population in week 44 2015, remaining low, and stable compared to the updated rate of 4.4 per 100,000 reported during week 43 2015. ILI rates remain below the Irish baseline ILI threshold (18 per 100,000 population) and at low levels in all ages groups.

The proportion of influenza-relared calls to GP Out-Of-Hours services was at low levels during week 44 2015.

One influenza A(H3) positive non-setinel specimen was detected by the NVRL for week 44 2015. Respiratory virus (RSV) positivity increased further during week 44 2015, as expected at this time of year. The overall proportion of non-sentinel specimens positive for respiratory viruses increased during week 44 2015. Positive detections of parainfluenza viruses, adenovirus and human metapneumovirus have been reported for the 2015/2016 season to date.

Respiratory admissions reported from a network of setinel hospitals increased during weeks 43 and 44 2015, as expected at this time of year. Hospitalizations: Five confirmed influenza hospitalised cases were notified to HPSC for the 2015/2016 season to date : one associated with influenza A(H3), two with influenza A (not subtyped) and two with influenza B.

One confirmed influenza A case was admitted to a critical care unit and reported to HPSC for the 2015/2016 season to date.

There were no reports of any influenza-associated deaths for the 2015/2016 season to date. No acute respiratory outbreaks were reported to HPSC for the 2015/2016 season to date. In the European Region, influenza activity remained at low levels, with sporadic influenza detections reported.


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