Flu Vaccine Doesn't Protect Against This Season's Most Dominant Strain

December 4, 2014 3:34 PM

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NEW YORK (AP) — The flu vaccine may not be very effective this winter, according to U.S. health officials who worry this may lead to more serious illnesses and deaths.

As flu season begins to ramp up, officials say the vaccine does not protect well against the dominant strain seen most commonly so far this year. That strain tends to cause more deaths and hospitalizations, especially in the elderly. CDC officials say the vaccine should still provide some protection...

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