The Department of Health has confirmed 2,855 new cases of Covid-19.
There are 515 people in hospital who have tested positive for the virus, a rise of 15 since yesterday. Of these, 91 are in ICU, down two.
Northern Ireland confirmed 948 new infections and 10 Covid-related deaths today.
Meanwhile, according to the Covid data hub, seven-day positivity rates for coronavirus tests have risen from 10.1% to 12.1% in the past week.
Earlier, Health Service Executive CEO Paul Reid said there is a "steady number of people" coming forward for Covid-19 vaccination.
In a post on Twitter, he said: "Over the past six days almost 15,000 people have come to a vaccination centre via an appointment or walk in. Almost 7,000 via walk in. Avg 1,800 registering per day. Its never too late."
The HSE will start the roll-out of booster vaccines for those aged 60 years and over this week.
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The HSE has said that people will not be able to register for their vaccine online or by phone today, due to essential updating to the Covid-19 Vaccination Information System (COVAX).
Vaccination centres will also be closed today to facilitate this update with services resuming tomorrow.
The HSE said the system update will provide increased capability to support the vaccination booster programme.
GP and pharmacy vaccinations will take place as normal today.
The HSE's live helpline is available today from 8am – 8pm on 1800 700 700 to answer any queries.
In a statement, the HSE said it was important these updates take place, to ensure it can continue to roll out the vaccine as safely and efficiently as possible.
Elsewhere, Minister for Health Stephen Donnelly has said he has authorised the use of booster Covid-19 vaccines for healthcare workers.
He said this followed advice he had received from the National Immunisation Advisory Committee (NIAC) this evening.