Of the 28 cases in the community, 17 are in Auckland, one is in the Waikato, four are in Tauranga, four are in Rotorua, one is in Canterbury and one is in South Canterbury,
Thirty-one people are in hospital with Covid - two in ICU.
One is at South Auckland's Middlemore Hospital and the other is in Tauranga.
In Auckland alone, healthcare providers are now supporting 888 people isolating at home, including 185 cases.
The growing number of cases at the border have travelled from all over the world including Fiji, the US, South Africa, India, the UK, Australia, France, Brazil, Qatar, Tanzania and Portugal.
Those 65 cases at the border arrived in New Zealand between Sunday January 2 and Sunday January 9. The majority of those cases tested positive for the virus on day one in MIQ.
They include 24 people staying at the Stamford Plaza Managed Isolation facility, who tested positive for Covid-19 yesterday and are included in today's reported numbers.
Of the 31 hospitalised cases, two were at North Shore, 11 are at Auckland City, 13 are at Middlemore, four are at Tauranga and one is at Waikato.
Eight (32 per cent) of hospitalised cases are unvaccinated or not eligible, six (24 per cent) have received one dose and 10 (40 per cent) are fully vaccinated. The vaccination status of the other cases is unknown.
In the last 24 hours, 19,712 Covid tests have been performed, including 9282 in Auckland. The seven-day rolling average is 14,532 tests.
To date, there are 196 Omicron Covid cases detected at the border since December 1, and 11 cases of the Delta variant.
There are also 217 cases caught at the border that are still undergoing genome sequencing.
"The expectation is that the vast majority will be the Omicron variant," the ministry said in a statement released this afternoon.
During the same period, more than 18,000 people have arrived and been processed through MIQ facilities.
Officials say they have taken steps to manage the risk of community Omicron outbreak linked to border cases, including increasing the period overseas arrivals must spend in MIQ and shifting the focus of whole genome sequencing to areas of most risk, such as for any cases in border workers.
"The MIQ system exists to catch cases at the border. Managed isolation and quarantine facilities are well set up to care for Omicron cases and protect the community. The staff at facilities are experienced in managing and caring for positive cases."
To date, 95 per cent of people eligible for the vaccine have received their first dose and 92 per cent were fully vaccinated.
The Ministry of Health's records show 594,947 have received a Covid booster shot.
By ethnicity, 88 per cent of eligible Māori have received their first jab and 82 per cent were fully vaccinated.
Of Pacific Peoples, 95 per cent had received one jab and 92 per cent were fully vaccinated.
Across the Auckland region, 96 per cent of the eligible population have received one dose and 94 per cent were fully vaccinated.
The new Waikato case is in Atiamuri and is being managed by Toi Te Ora Public Health.
The four new Tauranga cases are all close contacts of previously reported cases and were isolating at home or MIQ.
Of the four cases in Rotorua, one is a close contact of a previously reported case and three are still being investigated.
Earlier today
A Mexican restaurant in Tauranga has become the latest high-risk Covid-19 exposure site.
The Ministry of Health is advising diners and staff at The Barrio Brothers to self-isolate and test immediately after a Covid-infected person was in the business on January 6 between 6pm and 9.30pm.
A second update advised that the Cleveland Motel Outdoor Pool Rotorua High was high risk from 3pm to 3.30pm and from 8pm to 8.15pm on December 31.
Times have been updated for a number of other Christchurch businesses including Ballantynes Department store, a TANK juice bar in Cashel Square and a Kathmandu outdoor specialist store in the CBD.
All Christchurch businesses were visited on January 5 across the afternoon.
The Ministry of Health is set to release its latest daily update in a statement at 1pm.
Yesterday there were 14 community cases and just nine new cases of Covid-19 at the border.
Two of the 34 people in hospital are in an intensive care unit.
This morning a Masterton coffee bar became the latest location of interest to be named as a high risk premises.
Trocadero Coffee Bar was visited by a person with Covid-19 on Sunday. They visited between 11.17am and 12.30pm.
The ministry advised that anyone there at the same time needed to self-isolate, get tested immediately and then again on day five after exposure.
A large number of locations of interest across the country were revealed yesterday despite case numbers remaining low.
People who visited Subway in Feilding were told to isolate and immediately get tested after the location was visited by a person infected with Covid-19 last Tuesday.
Meanwhile a number of other locations of interest were identified across the lower North Island including supermarkets in Palmerston North, Feilding, Carterton and Petone as well as public toilets, cafes, liquor stores, a bakery and various retail stores.
The ministry is asking festivalgoers who attended Plane Sailing music festival in Auckland to self-monitor for symptoms for 10 days after potentially being exposed.
"If symptoms develop, get a test and stay at home until you get a negative test result," the ministry said.
A number of Christchurch shops, eateries and an adventure park were also listed as locations of interest.
Meanwhile, the ministry have confirmed that the Queenstown locations of interest on January 1 and 2 are linked to an Auckland visitor holidaying in the area.
Experts have warned it's a matter of time before the more transmissible Omicron variant leaks out into the community, causing an intense outbreak like those seen overseas.
They are urging people to get booster shots before that happens, with the interval before people are eligible for a booster reduced from six months to four.
As of yesterday, 548,733 booster doses have been administered.
Across the country, 95 per cent of eligible people have received at least their first dose of the Covid vaccine and 92 per cent were fully vaccinated.