A suspected swine flu patient is escorted by a quarantine officer to an ambulance for testing of the swine flu at a hospital at the Narita International Airport on April 30, 2009. A Japanese woman, who arrived at Narita airport on a Northwest Airlines flight, was the first arrival to be tested and then isolated under strict new rules announced this week after the Mexico outbreak. Getty Images logo Getty Images 34 months ago

A suspected swine flu patient is escorted by a quarantine officer to an ambulance for testing of the swine flu at a hospital at the Narita International Airport on April 30, 2009. A Japanese woman, who arrived at Narita airport on a Northwest Airlines flight, was the first arrival to be tested and then isolated under strict new rules announced this week after the Mexico outbreak.