"Canadian Flu Vaccine Paradox"

Flu vaccine causes susceptibility towards flu in one case

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"Canadian Flu Vaccine Paradox"

#1  Postby trogs » Jan 23, 2015 3:45 am

http://www.cbc.ca/news/health/flu-vacci ... -1.2912790

People who receive flu vaccines year after year can sometimes show reduced protection, an effect that Canadian infectious disease specialists say muddies public health messages for annual flu vaccine campaigns.

During the 2009 H1N1 pandemic, researchers at the B.C. Centre for Disease Control originally thought seasonal flu shots from 2008 might offer extra protection against the new pandemic strain. They were puzzled to find instead, seasonal flu vaccination almost doubled the risk of infection with pandemic flu.

Dr. Danuta Skowronski and her colleagues really put this to the test. Aside from their initial conclusion they did five more studies last summer that showed the same results in people - and ferrets. They test on ferrets which, for some reason, are the best flu model in animal studies.

She said:
This was a unique finding in a unique context of dramatically mismatched vaccine to novel pandemic influenza virus.


Anybody else have better luck debunking this than I did? I mean, not that it's all that unbelievable, vaccination is a messy science. But, if you find a hole in it, please post.
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Re: "Canadian Flu Vaccine Paradox"

#2  Postby Weaver » Jan 23, 2015 6:50 am

Brief look, it appears to have been replicated in ferrets and in pigs, though it is unclear exactly why, or whether this is in fact the source of the problem in humans observed by Dr. Skowronski - the animal experiments were done with whole verses fragmentary killed viruses.

So this could indeed be an issue - but it is most certainly not a reason to avoid vaccination, it's more of a reason for scientists to continue work.
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Re: "Canadian Flu Vaccine Paradox"

#3  Postby trogs » Jan 30, 2015 2:07 am

Anti-vaccine material has goofy holes so often that I was surprised to find an example which was so solidly founded. But, your arriving at the same conclusion reinforces that impression, thanks Weaver.
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Re: "Canadian Flu Vaccine Paradox"

#4  Postby CdesignProponentsist » Jan 30, 2015 2:16 am

Certainly fodder for misuse by anti-vaccers.
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