Public health officials have issued advice, after becoming aware of cases of Covid-19 in the north Roscommon area, including the wider Elphin area.
They say close contacts of confirmed cases are being contacted and advised accordingly.
The Department of Public Health is advising that anyone who develops symptoms - such as a cough, fever, shortness of breath or breathing difficulties - to isolate immediately and phone their GP for further advice, while family members and anyone else sharing their accommodation should restrict their movements.
People in the region are reminded to continue to adhere to the basic public health advice - maintaining social distance, washing hands frequently, wearing face coverings in shops and on public transport and when sharing a car with someone you don't live, and face coverings should also be worn when visiting anyone over the age of 70 or medically vulnerable.
The advice remains that everyone should reduce their social contacts.