Thread: Flu shots?
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Old 06.11.2014, 11:17
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Re: Flu shots?

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Debatable; catching flu this year might not necessarily protect you against flu next year.
Actually, this is actually scientifically correct. it's basic infectious disease dynamics relating to how viruses mutate and how vaccines work.

If you got A flu this year, given that there are many flu viruses out there, and if the Amutated flu you would have gotten next year was close to the same one you got this year, the actually A flu you got would have conferred more protection than the vaccine that protected against A. The outlier effect is non-existent with the vaccine, while the actual flu would protect against several other theoretical mutations that may or may not exist. Of course, there are three strains in the vaccines every year and it may be that the researchers predictions were completely useless.

The same thing happens with other illnesses.

That being said, there's research suggesting that some of the influenza A viruses can affect the heart too. So you might get protection from outlying strains, but you might also tax your heart.
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