People with fever, a recent cough or shortness of breath can look for a Covid-19 test from this morning.
The case definition for testing is being broadened meaning now only one symptom is needed rather than two.
18 more people with Covid-19 in the Republic have died, bringing the death toll to 1,102, while there are now 19,648 confirmed cases.
The number of confirmed cases of the virus in Connaught counties continues to rise, with the highest number of incidents in the province in county Mayo.
There are now 464 people with positive cases of Covid -19 in Mayo, 335 in Galway, 135 in Roscommon and 114 in Sligo.