KAWASAKI (Kyodo) Another student who took part in a school trip to Canada has swine flu, the fourth confirmed case in Japan, the health ministry said Sunday.
The 16-year-old boy was on board the same flight as a teacher and two other students who were confirmed Saturday as Japan's first cases of the H1N1 influenza A virus.
Another 48 passengers and crew who were on the Northwest Airlines flight that arrived Friday at Narita International Airport via the U.S. are being monitored at a hotel near the airport for 10 days.