In a Thursday, April 30, 2009 file photo, a sample of suspected swine flu is displayed by a technician at the Washington State Public Health Laboratories in Shoreline, Wash. (AP Photo/Elaine Thompson, File)
CDC: US swine flu death toll rises
Health officials say the number of U.S. swine flu cases has reached nearly 34,000, and deaths rose 34 percent in the past week to hit 170.
