The Ministry of Health says the death of a 40-year-old man, who had Covid-19 and was isolating at home, was not vaccine related.
The ministry said there had been speculation the death was vaccine related but they could confirm it was not.
The man's death has been referred to the Coroner who will determine whether it was Covid-19 related, the ministry said.
"The Northern Region Health Coordination Centre and the ministry will undertake an incident review of the public health and clinical oversight of this person with independent input."
The ministry said it was unable to comment on the specifics as a coronial investigation was underway.
"Following a positive test, a public health assessment is undertaken on a case to determine whether they should isolate at home or at an MIQ facility.
"The ministry's condolences are with this person's whānau at this sad time."
See how the day's Covid-19 news unfolded here:
