There has been few than 100 new cases of Covid-19 in the past 24 hours.
The Department of Health has said there were 95 positive tests for the virus and no new deaths recorded.
The death toll from the coronavirus in Northern Ireland stands at 2,154.
The Department also said there have now been 1, 782, 596 vaccines administered in the country in total.
It comes as a small number of the Indian variant have been identified in Kilkeel, Co Down.
The PHA said the results were suggestive of the variant, also known as Delta, but it has not yet been confirmed and that the precautionary testing is in advance of confirmation of whether the variant is present and to reduce the risk of spread in the community.
Testing is opening to everyone in these areas over the age of five. Households in the areas that this testing covers will be contacted directly by PHA in the coming days
Dr Stephen Bergin, interim director of public health at the PHA, said: “This testing in the Kilkeel area is a precautionary measure to identify asymptomatic cases and prevent community spread.
“We encourage all those eligible in the neighbourhoods identified by the agency to present for testing.
“This is a reminder to everyone through Northern Ireland to continue to carry out all public health measures to help stop the spread of Covid-19.”
New coronavirus cases involving the Delta variant have increased by 79% across the UK compared with last week.
It is now believed to be the dominant strain in the UK.
There are now 12,431 confirmed cases of variant in the UK, up from 6,959 last week.
