He says the Rotorua case was a woman in her 30s who arrived from Peru, and everyone who was on the bus to Rotorua with her is being followed up and tested.
The bus driver - who was wearing PPE - will also be tested.
She was staying at the Ibis Hotel in Rotorua.
The Christchurch cases are men who both arrived from India on the same flight. They tested positive on day three and will be transferred to a special quarantine section of their hotel.