The Northern New South Wales Health District has recorded four new COVID-19 cases.
Three cases are from the Grafton area.
Two are linked to known clusters and one is under investigation.
Another case is in the Lismore LGA, and is a household contact of a previously confirmed case.
They have been in isolation throughout their infectious period.
There are four cases being cared for in hospital, one is in intensive care.
Meanwhile, Ballina has hit the milestone of being the first region on the North Coast to pass 90 per cent first dose vaccination.