There are three new cases of Covid-19 in the Lakes District Health Board region today and one in the Bay of Plenty District Health Board.
It comes as Omicron has been named as New Zealand's dominant variant of Covid-19, the Ministry of Health said.
The three Lakes cases are in Rotorua and are all household contacts of previously reported Omicron cases, a Ministry of Health statement says.
Three people are in Rotorua Hospital with Covid-19.
The case in the Bay of Plenty is in Tauranga and is a household contact of a previously reported Omicron case.