The Department of Health has reported 1,352 further cases of Covid-19.
There are 27 people in ICU with the disease, while there are 177 patients in hospital with Covid-19.
The Chief Executive of the HSE earlier said that there has been a "steady rise in hospitalisations".
Speaking on RTÉ's Morning Ireland, Paul Reid said that the HSE is "still concerned about slow rising numbers" and "monitoring it quite closely".
Mr Reid added that "a lot of people are needing high acute care with respiratory support" and the Delta variant is "still a very live threat".
He described the walk-in clinics over the weekend as a "huge success".
"It worked exactly as we would have liked, in fact much better," he said. In a post on Twitter, Mr Reid said that over 18,000 people have availed of the walk-in clinics so far.
An inspiring weekend for the vaccination programme. Over 18,000 people have availed of Walk In Centres so far. Continuing today in 26 locations. People of all ages attending, 50% aged 16-17 years old & 64% 19 or under. Approx. 2.1M vaccines administered in just 6 weeks. @HSELive— Paul Reid (@paulreiddublin) August 2, 2021
The centres are being operated by the HSE and are operating throughout the country across the bank holiday weekend.
The clinics were established to encourage further uptake of vaccines and are open to those aged 16 and over who have yet to receive a first dose.
Those attending the centres, which are being operated by the HSE, will receive a first dose of the Pfizer-BioNTech vaccine.
The HSE has administered 2.1 million dose of the vaccine in a six-week period, Mr Reid said.
One million vaccines were administered in the first 12 weeks of 2021.
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The HSE is currently working to finalise arrangements to handle consent issues that need to be addressed for those under the age of 18.
It is also making "significant changes to IT to capture parent/guardian details".
GPs and pharmacies will play a key role in the administration of vaccines to this age group, he added.
"Our intention is to work through this really quickly and efficiently through August," he said.
The Secretary General of the Irish Pharmacy Union has said he expects pharmacies will play a key role in administering Covid-19 booster vaccines later in the year.
Darragh O'Loughlin said: "As we get to the final stages of the vaccination programme and move into the autumn, we would see pharmacies playing a key role in delivering booster shots, based on whatever advice NIAC might give to Government, as well as the annual flu vaccination campaign."