A third Australian in Britain tested positive for influenza A/H1N1, ABC radio reported on Monday.
"They asked me what airline I flew home with, what my flight numbers were and they're going to get in contact with all the people who sat within a metre of me," Australian journalist Kate Corett told the ABC radio.
The former Australian Associated Press (AAP) journalist had traveled to Mexico for a wedding with friends, one of whom earlier tested positive for influenza A/H1N1, Xinhua reported.
Corbett said her illness had not been severe and she was over the worst but was staying home.
"My doctor came over all suited up with a face mask and an apron and he tested me taking swabs from the back of my nose and back of my throat," Corett said.
Corett'd already been put on the antiviral drug Tamiflu and has been confined to her home for another four days.
Two other Australians in the UK have been earlier confirmed as having the virus.
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