In a statement, the Ministry of Health said 480 people were in hospital, including 12 in ICU.
Monday’s rolling seven day average of new Covid-19 cases is 7553. Last Monday it was 8355.
A second person who has travelled from overseas to New Zealand has been confirmed as having the BA.4 variant of Omicron.
Both identified cases were isolating at their homes, the ministry said.
BA.4 has also far been reported in southern Africa and Europe, and in New South Wales. The ministry said the arrival of the sub-variant in New Zealand was not unexpected.