The Australian woman who contractedA/H1N1 flu was no longer infectious and was free to return home, Queensland's chief health officer Jeannette Young said on Saturday.

The woman, who was traveling through the US on her own when she contracted A/H1N1 flu, is Australia's first confirmed case of the disease.

Young said the woman, in her early 20s, was staying with her parents in Brisbane but was free to return to her own home in New South Wales.

"She has recovered. She is doing well and she is of no risk to anyone in the community or to herself," Young told reporters in Brisbane.

"Her family lives here in Brisbane and she went home to her family and has been in isolation awaiting the results of the test," she said.

"Those tests came through in the early hours of this morning and were a weak positive for swine flu influenza. She has fully recovered and the experts believe that she was not infectious on that flight traveling from LA through to Brisbane," Australian Associated Press quoted Yong as saying in Brisbane, the state capital of Queensland.

The woman arrived in Brisbane on Thursday on flight QF16 from Los Angeles.

Young said four more people in Queensland with suspected A/H1N1flu were awaiting test results, including one person who was on the same flight as the NSW woman.

Young, however, urged Queenslanders not to be alarmed by this first confirmed case in the country.

"I genuinely believe it is very, very unlikely that this woman has transmitted this new virus to anyone on that plane or here in Brisbane," she said.

(Xinhua News Agency May 9, 2009)