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News & Press: National News

Influenza Update

Thursday, December 04, 2014   (0 Comments)
Posted by: Jenny Arnold
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WSPA staff participated in the CDC media update for influenza this morning. H3N2 is the primary circulating influenza strain so far in this flu season. Unfortunately, since September, about half of those circulating H3N2 viruses have genetically drifted enough that the seasonal vaccine may not be effective in preventing illness from these strains. Also, in years when H3N2 predominates, it is correlated with a more severe influenza season including more deaths and hospitalizations. The vaccine is still important to protect against half of the circulating H3N2, H1N1 and influenza B. Aggressive antiviral use is recommended in sick individuals who are at high risk, and in the very ill, when deemed appropriate by providers.  Also, in November, CDC released a press release that noted that the live attenuated nasal influenza vaccine does not have any efficacy against H1N1. Luckily, H1N1 strains have accounted for only a small percent of the circulating influenza illnesses, and the LAIV is still effective against some H3N2 viruses, and the influenza B strains.  For more immunization and influenza information, visit the WSPA immunization page. Remember, was your hands, and stay home if you are sick!


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