"These centres have been set up in areas of high demand. We will assess the data and more clinics will be opened where the demand is strongest," Clark said.
Auckland's three DHBs, which have 16, have the most testing stations, followed by Southern DHB with 12, then Canterbury with nine.
"In terms of materials, I've been advised that by the end of next week we'll have up 60,000 complete tests and we have a similar number of swabs, with the local manufacture of up to 250,000 more over the next three to four weeks," Clark said.
As well as this, Clark said the Ministry of Health has updated its advice on testing criteria.
Now, anyone with respiratory symptoms consistent with Covid-19, regardless of travel history or contact with a confirmed case, will be considered for testing.
"Because of this, we're starting to see more testing and that's a good thing."
Despite the increased testing, the number of people who have tested positive for Covid-19 has been dropping.
There were 50 new cases of Covid-19 in New Zealand yesterday, the lowest daily total reported in a fortnight.
That's down on 54 yesterday and 67 the day before that.
