Flu rates in county Leitrim continue to be 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 56.8 per 100,000 last week.
Counties Longford and Roscommon both recorded below the national average of 39.8
The rate in Roscommon was 31.3 per 100,000, while 17.1 per 100,000 was the figure in Longford.
Sligo recorded the highest national rate at 122.5 per 100,000.
Other counties with higher-than-national-average rates were Offaly, Westmeath and Cavan.
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.