Surveillance of Influenza in Northern Ireland 2013-2014

The 2013/14 influenza season started later than in 2012/13, it did not last as long and was noted at generally lower levels throughout than the previous season. Clinical indices began to increase in early January and peaked in mid-March, with community syndromic indicators not exceeding the baseline threshold at any time during the season. GP influenza-like illness consultation rates in 2013/14 were lower than those in the 2012/13 season for the majority of the season and remained low overall.

Overall no one age group appeared predominantly affected with rates fluctuating throughout the season. The highest rate overall however was noted among the youngest age group during the peak period.