Why You Need that Flu Shot Now  

December 5, 2014 11:35 PM

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It’s flu season and I know you’ve gotten your flu shot, right? (What? You haven’t—yet?) Please get this done because the Centers for Disease Control and Prevention say that if you’re still unvaccinated now, you should get that shot immediately. If you get the flu, you’ll need prompt treatment with antiviral medications if you’re at high risk of flu complications.

The “virus of the year” is seasonal influenza A (H3N2). The CDC says that nearly half of these viruses they’ve analyzed so far are “drift viruses,” technically different from this season’s vaccine virus due to “antigenic or genetic changes.” Simplified, that means the vaccine may be less able to pro...

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