Japan, Australia confirm first cases of swine flu

Quarantine officials with protective masks and outfits make their way to board a commercial plane that has just arrived for checking of its passengers at Narita International Airport in Narita, east of Tokyo, Japan, Saturday, May 9, 2009. Japan confirmed its first cases of swine flu Saturday in three people who recently returned from Canada, even as the disease's spread appeared to slow in the rest of the world. (AP Photo/Itsuo Inouye)
(AP) -- Japanese authorities scrambled Saturday to track travelers who arrived on the same flight as three people diagnosed with the country's first confirmed cases of swine flu. Australia also joined the ranks of affected countries with its first confirmed case.