CDC: Flu shot less effective this year because current flu virus has mutated

I got mine last Sept.

kplr11.com

This year’s flu vaccine is not as effective against the current strain of the influenza virus because the virus has mutated, the U.S. Centers for Disease Control and Prevention said Wednesday in an advisory to doctors.

The advisory said 52% of the 85 influenza virus samples collected and analyzed from October 1 through November 22 were different than the virus strains included in this year’s vaccine, indicating a mutation, or drift, of the strain.

The most common strain of the virus reported so far this season is influenza A (H3N2). In the past this strain has been linked to higher rates of hospitalization and death, especially for those at high risk for complications, which is usually the very young, the elderly and those with chronic health conditions.

In February a panel of experts decided on 3 strains of the virus to include in this year’s vaccine. The decision is based…

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About sandrabranum

I'm a philosopher, dreamer, poet, writer -- not necessarily in that order -- and I get to write it all down and share it with the world thanks to the Wonderful World Wide Web!
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