GPs are warning of an increase in the number of people with symptoms of Covid-19 who are not self-isolating.
It comes as an immunologist says the number of young people now testing positive for Covid-19 is worrying.
38 new cases were identified yesterday with the median age at 30.
Meanwhile, 123 positive tests have been confirmed over the past couple of days which is leading to fears from NPHET that there could be more outbreaks not linked to close contacts.
Professor Kingston Mills from Trinity College says despite young people not usually being affected by Covid-19, they could pass it on: