As it happened: Covid-19 updates on day 7 of lockdown - everything you need to know

A nurse from Middlemore Hospital's emergency department has tested positive for Covid-19.

The case is currently under investigation and the person has been stood down.

The nurse was wearing appropriate PPE whilst at work, was asymptomatic and took appropriate precautions.

The Ministry of Health says the public health risk is low.

Earlier this evening, Auckland University of Technology said nine students tested positive for the virus. It said one of the cases was not on campus while infectious and it is awaiting further information on three.

AUT says it is working with public health authorities to identify locations of interest on campus and close contacts are being contacted directly.

There are locations of interest across the city and North Shore campus, across a number of different days and times.

Separately, the University of Auckland says it is not aware of any more of its students testing positive for the virus.

A student at one of the university's halls of residence tested positive and anyone in the Whitaker and Waiparuru Halls was told to isolate and get tested.

Meanwhile, there are 41 new cases of Covid-19 in the community today, a day after the country's lockdown was extended.

New Zealand is staying in alert level 4 lockdown until at least midnight on Friday, and Auckland until at least midnight on Tuesday.

What you need to know

• There are 148 community cases of Covid-19 of which 137 are in Auckland and 11 in Wellington.
• All New Zealand will remain in alert level 4 for an additional four days, until 11.59pm on Friday 27 August and the lockdown will be reviewed that day.
• Auckland will stay in alert level 4 longer, until at least 11.59pm on Tuesday 31 August
• Locations of interest are in Auckland, the Coromandel, Wellington and the central North Island. New sites are being posted through the day.
• More than 15,000 contacts have been formally identified.
• The lockdown was triggered by a Devonport man's case of Covid-19, later identified as being the Delta variant.
• The cluster is linked to a returnee from Sydney who arrived on a MIQ flight on 7 August but it’s still not known how the virus got into the community.
• More than 1 million people are now fully vaccinated.
• QR code scanning or manual sign in will become mandatory for most events and businesses at all alert levels.