Worries about swine flu swept through a variety of sectors after the outbreak became public a week ago. Food companies were hit by concerns - later called unwarranted - that the virus could be contracted by eating pork. Hotels and airlines suffered as business travelers and tourists were told to stay home. Some drug companies got a boost because they sell, or are developing, products that counter flu strains.
SOURCE: Bloomberg | The Washington Post - May 2, 2009