Bloomfield said on Thursday that two people with coronavirus were in Nelson Hospital, but Nelson Marlborough Health since clarified one person was in Wairau Hospital and one was in Nelson Hospital.
From the NZ total, eight people are in hospital - six are stable and two are not.
Ardern has provided an update on the spread and containment of Covid-19 in New Zealand on the second day of the nationwide lockdown.
A total of 2500 retired health professionals had returned to the workforce to help with the Covid-19 outbreak response, Bloomfield said.
Director General of Health Dr Ashley Bloomfield said that there are now 368 cases in New Zealand.
The other person not in a stable condition is in Wellington Regional Hospital.
Thirty-seven people have now recovered from Covid-19, which Bloomfield said was defined as being symptom-free for 14 days.
"A reminder, anyone who has been tested an is awaiting their result should be in strict self isolation until that result is confirmed", Dr Bloomfield said.
Contact tracing for all new cases is continuing.
The Government is circulating appropriate advice on personal protection equipment (PPE) and this will be on the Ministry of Health's website later today. That was on a par with Germany on a per capita basis, Bloomfield said.
More than 2500 retired or now non-practicing health professionals, such as staff on maternity leave, have come forward offering their services since the Ministry of Health's call.
Civil Defence Emergency Management director Sarah Stuart-Black said while most people were complying with the lockdown, there were several incidents of people gathering and police have responded to those.
"In summary, these are unprecedented times for New Zealand and indeed internationally". It is also in a lockdown for at least four weeks.
Due to a lag in people being infected and feeling ill, numbers of cases in New Zealand are expected to rise.
It would take a week to 10 days for the number of Covid-19 cases to come down. "It will turnaround if we keep doing our bit".