All cabinet ministers are now restricting their movements as a result.
A spokesperson says Minister Charlie Mc Conalogue has no symptoms and is self isolating.
It comes as the HSE warns the risk posed by the virus is at its highest point to date.
It comes as the Government urges people to reconsider their plans for Christmas.
The Government says the decision to return to level 5 restrictions over Christmas was not taken lightly, but the increase in cases could not be ignored.
Talented Wicklow Pair Shortlisted for National AIB Portrait Prize
Bray photographer Alannah Henry and Donard-based teenage artist Isla Case were named among a combined 46 shortlisted entries, selected from hundreds of submissions from across the country
Wicklow Rose Ready To Bloom On TV Screens Tonight
Carolann McDonald will appear in tonight's second Rose of Tralee live show.
'Nothing Is Off The Table' - Wicklow TD Outlines Concerns Over Planned Fuel Excise Increases
Concern Grows For Missing 53-year-old
Sean Gaughan has now been missing for two weeks
Alarm As One In five Women Waiting Longer Than 10-Day Target For Urgent Breast Clinic Appointments
8:00pm - 10:00pm
Love Songs on the Coast
Light rain shower
High: 20°C | Low: 12°C
Light rain shower
High: 20°C | Low: 13°C
Light rain shower
High: 20°C | Low: 12°C
Light rain shower
High: 19°C | Low: 11°C
Light rain shower
High: 20°C | Low: 12°C