Dr Donohue told AAP on Thursday both were palliative care patients who had other serious medical conditions.
"A number of people (at the home) had been exposed to the virus before the outbreak was declared," Dr Donohue said.
"It's unfortunate the outbreak began before this year's flu vaccine was available."
The nursing home immunised staff and residents as soon as the vaccine was available.
Despite this, about 60 of the 128 residents and 15 of 117 staff have shown symptoms.