Prime Minister Jacinda Ardern and Director-General of Health Dr Ashley Bloomfield are giving an update of the government's Delta outbreak response.

There are 15 new cases of Covid-19 in the community today, Dr Bloomfield said.

Meanwhile, Ardern says the theme of the past few days has been "vaccinate, vaccinate, vaccinate with a particular focus on Tamaki Makaurau in what we intend to be their last week in level 4."

"There is nothing holding us back in Auckland when it comes to vaccines."

"There's capacity to administer 220,000 doses of vaccine in the region this week."

Ardern says if 130 people get their first dose this week, "Aucklanders will hit 80 percent coverage of first vaccinations in one week's time".

She reiterates that vaccinations "literally saves lives and prevents hospitalisations".

Ardern says there are about 90,000 spaces in Auckland this week to get a vaccine.

"There are now more than 100 GPs and 30 pharmacies delivering vaccinations across Auckland."

The drive-through sites at Auckland Airport Park and Ride and the Trust Arena in Henderson can each do up to 5000 vaccinations per day. "No booking is required."

She says a vaccination clinic has been set up in Papakura Marae where people with disabilities will be prioritised.

That is open from 9am to 3pm Monday to Friday at 29 Hunua Road, Papakura. Bookings are not required.

"The Northern Region Health Coordination centre will launch its first [vaccination] buses this Thursday.

"The initial plan is to take them into areas where we know vaccination numbers have been low or people have not been able to access vaccination services as easily. The aim is to increase the network from expected six on Thursday to 12 over the coming weeks."

The government has said it is sticking to its elimination strategy as health officials focus this week on seven Auckland suburbs thought to be associated with recent Covid-19 'mystery' cases.

Early today, Ardern told Morning Report moving Auckland out of level 4 lockdown would not require having zero mystery Covid-19 cases, but but good surveillance testing rates would give further reassurance.

Yesterday, Cabinet has made an in principle decision that Tamaki Makaurau would move to alert level 3 next week and would review the settings on Monday.