Over three hundred people have been tested at pop-up Covid centres in the Shannonside region so far this week.
New data also reveals a slight increase in the Covid incidence rate in County Roscommon in the last two week period.
The HSE is urging people to maintain the best Covid 19 health practices as concern over the impact of the Delta variant remain locally in the Shannonside Northern Sound region.
119 people were tested at the walk-in COVID-19 test centre in Roscommon town on Tuesday, which followed a total of 120 people who were tested at the Roscommon Arts centre base on Monday.
The HSE has also confirmed that over 100 people attended the first day of a Covid-pop up test centre in Athlone this week.
The centre was re-re-established at St Aloysius College as concerns grow over a cluster of the Delta variant in the wider town and its surrounds and the centre open again on Friday from 10 am to 4 pm
A total of 118 Covid cases were recorded in Roscommon between the 21st of June and the 5th of July, resulting in a Covid incidence rate of 182 - up slightly on the most recent 14-day figures.
Sligo recorded 141 cases, Westmeath reported 107, 61 in Cavan, 31 in Monaghan, 25 in Longford and 11 in Leitrim.
Roscommon's five day moving average of cases is now at nine with Donegal's 5-day average at 51 cases - the highest in the country.