The latest data from the Health Protection Surveillance Centre (HPSC) was published on Thursday.
One in 26 people have tested positive for the virus in Dundalk South in the last fortnight, with the second high incidence of 3,783. The region has seen 1,227 cases in the 14 days up to January 11. Dundalk-Carlingford (2,395) and Ardee (2,161) also have well above average disease incidence, as the county has the second-highest in the country at 2,462.
Many regions across the country have such high levels of the disease that more than one in 40 have tested positive with all hospitals in the State under severe pressure.
Limerick has three different regions with an incidence of over 2,000 per 100,000 as Adare-Rathkeale shows the third-highest incidence in the nation at 3,118, Newcastle West stands at 2,305, while Limerick City West (containing UHL) has an incidence of 2,020.