TOKYO -- As the spread of swine fever raises alarm in Japan, experts believe the initial outbreak was triggered by a traveler who brought contaminated pork products into the country -- a growing concern amid the country's tourism boom.
Economy
Bad pork dumplings seen as culprit in Japan swine fever
Travelers carrying contaminated food pose risk to hog industry
Swine fever can have a devastating impact on hog farms like this one in Kanagawa Prefecture as any pigs at risk for catching the disease must be culled and destroyed.
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