HEALTH
Thursday, February 16, 2017 7:42 PM
US flu vaccine a good match; season moderate so far
FILE - In this Thursday, Sept. 17, 2015 file photo, a nurse gives administers a flu vaccine shot in Washington. Preliminary data released by U.S. health officials on Thursday, Feb. 6, 2017 suggest this season's vaccine is 48 percent effective. That's not bad since the strain that’s making most people sick is one of the worst. Experts consider it a good year when a flu vaccine is 50 to 60 percent effective. (AP Photo/Jacquelyn Martin)