In today's Focus on Politics podcast, Deputy Political Editor Craig McCulloch details the latest Covid-19 outbreak, the government's response, and how that's been received by the public and politicians alike.

"Just as we successfully stayed home and saved lives last year, I'm asking the team of five million to unite once more to defeat what is likely to be this more dangerous variant of the virus." - Prime Minister Jacinda Ardern

Having gone 170 days without community transmission and 477 since the last alert level four lockdown, New Zealand reset the clock on Tuesday after a new case of Covid-19 was found in Auckland and Coromandel.

In response, the government expounded its now well-worn mantras: go hard, go early; stay home, save lives. With the threat of the Delta variant, it meant a return to the strictest lockdown, nationwide.

Listen to the full podcast

Overseas media focused on the rapid escalation of restrictions over a single case, but the public were quick to support the moves.

National leader Judith Collins also threw a full-throated endorsement behind the measures.

"There's so much uncertainty and we know that this spreads extremely quickly, so obviously it's the only thing to do."

Rapidly rising case numbers in the following days bore out the government's caution, and the virus - carried by young people living busy lives - leading to more than 150 locations of interest and over 1000 close contacts. It came from the New South Wales outbreak in Australia.

Read more:

NZ to remain at alert level 4 until Tuesday night

Covid-19 update: 11 new cases in the community, including three in Wellington

Covid-19 outbreak linked to case which came from Australia

By Friday, the outbreak was found to have spread to Wellington, inevitably leading to an extension of level 4 lockdown for the entire country until at least Tuesday night.

The outbreak - and Delta - has raised the stakes. Police have been taking a less permissive approach, arresting protesters and rule-breakers alike, and the government has expanded mandatory mask use to more locations. But the government is still facing criticism over vaccines, and testing.

National's Covid-19 response spokesperson Chris Bishop thinks more could be done to smooth out testing for those who most need it.

"I'd an email last night from somebody who got a ping ... the testing centre closed and they hadn't been tested. So they were there all day - and these are people who are required by law to get a test…

Go to this episode on rnz.co.nz for more details