Tourists wearing masks on a street in Singapore.
He had completed managed isolation in Christchurch, returning two negative tests.
Nurse Cayla Jensen tests a woman in the drive-through testing in Auckland.
"Basically 14 days has always been a practical maximum, but we've always known there was potential for the maximum to be longer than 14 days in very rare cases", he said.
Baker said each option was concerning for different reasons, and questioned whether there should be further rules for people leaving managed isolation.
The second theory is that he became infected on his flight after completing his separation from Canterbury to Auckland.
The Ministry of Health did not confirm whether they were staying at the same facility.
China's COVID-19 inactivated vaccines available by 2020 end
It is the first coronavirus vaccine to be cleared for human use globally even though the final trials began earlier this month. The first results of these trials are expected to be published in October-November 2020, the RDIF said in its statement.
The other case has been detected in a recent returnee in a managed isolation facility.
All identified close contacts have also been isolated and tested, a statement from the Ministry of Health said.
The flight the man was on from Christchurch to Auckland was a government-chartered flight and other passengers were from other managed isolation facilities in Christchurch.
"Another possible scenario is that the case may have been infected during the flight from Christchurch to Auckland - other passengers from that flight are now being contacted and assessed as a precautionary measure in order to exclude them as the source of infection".
The list of visited public venues excludes residence, workplaces, healthcare facilities, and public transport and will be updated on a rolling 14-days basis, or one incubation period, and as epidemiological investigations progress. The man developed symptoms 21 days after arriving in New Zealand.
To date, 27 people have died from complications due to COVID-19 in the republic.
The MOH said 57,071 cases had fully recovered and discharged from hospitals or community care facilities.
When will COVID-19 vaccines be generally available in the U.S.?
The trial will be initiated in the second half of October after the vaccine is manufactured by SII. Largescale clinical trials on Sputnik V involving 40,000 volunteers are now ongoing.
When symptoms appeared, he was tested, and when a positive result was returned, his family members were isolated and tested - to capture the other two positive results.
Two imported cases were also reported by the Health Ministry.
The latest community cases raise questions about whether the two-week isolation period is long enough to remove the risk of returnees spreading Covid-19 into the community.
He returned a negative test around day three of his stay in managed isolation at the Grand Millennium. Instead, health authorities say they are three people from the same home as a man who recently returned to New Zealand but passed quarantine without a positive result.
"The two community cases are household contacts of the case reported yesterday, which is not connected to the Auckland cluster".
Three people are in hospital with Covid - one each at Auckland City, Middlemore and North Shore hospitals.
Une lettre empoisonnée envoyée à la Maison Blanche — Etats-Unis
Fort heureusement, la lettre a été interceptée avant qu'elle n'atterrisse dans le bureau oval. De son côté, le New York Times a écrit qu'il s'agissait d'une enveloppe envoyée du Canada.