It's emerged that flu rates in county Leitrim are higher than the national average.
The weekly snapshot, based on cases confirmed in a laboratory per 100,000 population in each county, are reported over a three-week rolling rate.
Leitrim had a rate of 85.2 per 100,000 in the first week of this month.
Westmeath recorded the highest national rate at 179.8 per 100,000.
Other counties with higher-than-national-average rates were Cavan,Wexford, Waterford, Sligo, Offaly and Donegal.
Not all cases of flu are laboratory confirmed but GPs and hospitals aim to provide samples for diagnosis and to capture a picture of the level of flu circulating.
Counties Longford and Roscommon both recorded below the national average of 57.2.
The rate in Longford was 51.3 per 100,000, while 35.6 per 100,000 was the figure in Roscommon.
Leitrim Cllr and member of the Regional Health Forum West, Paddy Farrell says it's important to know the symptoms:
