She said the facility - which offered rest home, hospital level, dementia and respite care - had been recently audited and she was confident all procedures had been "scrutinised".
The home had four deaths over Monday and Tuesday, but two of these were unrelated to the virus and were people in "end-of-life palliative care", Ms Kaffes said.
A spokeswoman for Northland DHB said it had been asked to assess the situation and provide advice through its Public Health Unit.
"An investigation is under way into the cause of the illnesses and these results are not yet available.
"Respiratory illnesses are not uncommon at this time of year ... it is most unlikely that the illnesses are influenza-related," she said.