IE 11 is not supported. For an optimal experience visit our site on another browser.
  • UP NEXT

    Vanessa Bryant takes the stand in emotional testimony over crash photos

    01:43
  • U.S. consumer spending is changing and big retailers are getting hit hard

    01:49
  • Paper gun sale records pile up with ATF prevented from upgrading tracing

    03:28
  • Ukrainian orchestra sharing music with the world

    01:40
  • Kiely Rodni: Volunteer scuba team joins search as authorities scale back

    01:30
  • Buttigieg gives airlines an ultimatum after summer travel chaos

    01:42
  • Fears of nuclear catastrophe in Ukraine intensifying

    02:13
  • Pence defends law enforcement amid Mar-a-Lago search backlash

    01:10
  • Cleveland Browns’ Deshaun Watson suspended for 11 games, fined $5M

    01:25
  • 3 men indicted in Whitey Bulger fatal prison beating

    01:08
  • Spotlight on Southlake, Texas with teachers across U.S. leaving profession

    03:55
  • New signs the red-hot housing market is cooling

    01:43
  • Florida judge orders DOJ to redact Trump search warrant affidavit

    03:11
  • Extreme drought in Northeast fueled by climate change

    01:44
  • Richard Engel announces death of 6-year-old son Henry

    02:48
  • Housing markets cooling as more homebuyers back out of contracts

    01:43
  • Cheney ‘thinking’ about presidential run following loss in primary

    01:59
  • NASA’s Artemis I could change the future of moon travel

    01:55
  • Urgent rescue mission for 10 Mexican miners trapped hundreds of feet underground

    01:31
  • Mike Pence: ‘I would consider’ testifying before Jan. 6 committee

    02:08

CDC: Flu vaccine often doesn’t work

02:34

In a new study out Thursday from the Centers for Disease Control, the vaccine proved effective just over half of the time. And among seniors who are 65 years old and older, one of the most vulnerable populations, the vaccine only offered nine percent protection. NBC’s Robert Bazell reports.