Two more people in the community who recently left managed isolation have tested positive for Covid-19 and health officials are now urgently re-testing the pair.

The Ministry of Health said in a statement this evening that two other former returnees who completed their managed isolation at the Pullman Hotel at the same time as the Northland community case were now under investigation.

The pair were asymptomatic and had already completed their managed isolation and previously returned two negative tests, the ministry said.

Both individuals were currently self-isolating at home.

"As a precaution, Public Health staff are checking details with the individuals about their movements since they left managed isolation to identify close and casual contacts if contact tracing is required.

"The two former returnees both returned a positive test for Covid-19, however it is yet to be confirmed if they are recent or historic infections. Further urgent testing is being carried out this evening."

Speaking to Heather du Plessis-Allan, former MP Hone Harawira revealed he has information that there are two new Covid cases in Orewa in north Auckland.

He said the information is from "multiple and impeccable sources", and the government was "stonewalling" over the information, which he knew to be "true".

He had received the information about four hours ago.

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Checkpoints would be set up in three places across Northland "to inform everybody coming along about our concern and the threat".

A spokesman for Covid-19 Response Minister Chris Hipkins confirmed to ZB Drive that two people who recently left the Pullman have today tested positive in Auckland's Orewa, however they are now being re-tested.

At this point, they are not treating them as confirmed positive tests.

Yesterday, two other people tested positive, however when they were re-tested one was found to be a historical case and one was a false positive.

Hipkins office says this may still be the case here.

Everyone who left the Pullman Hotel managed isolation facility has been re-tested for Covid-19, after a 56-year-old woman in Northland tested positive for the virus over a week after leaving the facility. 

She had spent two weeks in MIQ at Auckland's Pullman Hotel. She left MIQ on January 13, developed mild symptoms on January 15 and was tested a week later on January 22.