MIAMI, FL - DECEMBER 04:  Alina Pastoriza Garcia, ARNP-NP-C, administers a flu vaccination to Russell Waddey at the CVS/pharmacy's MinuteClinic on December 4, 2012 in Miami, Florida. The Centers for Disease Control and Prevention announced that they are seeing significant increases in flu activity in the U.S. in the last two weeks indicating that an early flu season is underway and are encouraging people to get vaccinated.   (Photo by Joe Raedle/Getty Images)
Universal flu vaccine may be in future
A new study claims a universal flu vaccine could be developed in as early as five years.
03:44 - Source: CNN
Inside deadly pandemics and diseases 20 videos
MIAMI, FL - DECEMBER 04:  Alina Pastoriza Garcia, ARNP-NP-C, administers a flu vaccination to Russell Waddey at the CVS/pharmacy's MinuteClinic on December 4, 2012 in Miami, Florida. The Centers for Disease Control and Prevention announced that they are seeing significant increases in flu activity in the U.S. in the last two weeks indicating that an early flu season is underway and are encouraging people to get vaccinated.   (Photo by Joe Raedle/Getty Images)
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