Two people have been stopped at Auckland International Airport with flu symptoms.
The pair, who were flying from Los Angeles to Australia via Auckland, have been taken to Middlemore Hospital and isolated for testing.
The tests will determine whether either of the pair have swine flu.
"At Auckland Airport that is the process we have in place," says Emergency Planning co-ordinator Steve Brazier.
"They would have been warned about swine flu and spoken to by a doctor or nurse - I would expect them to get swabbed."
This follows confirmation last night that the World Health Organisation laboratory in Melbourne had returned positive swine flu results from three of the 11 Rangitoto College group who had previously tested positive for influenza A.
That was enough to assume all 11 were positive.
Mr Ryall encouraged anyone experiencing flu-like symptoms to consult their GP.
3 News