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The Water Cooler
General Discussion
Why do we need Flu shots every year?
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<blockquote data-quote="4play" data-source="post: 1303922" data-attributes="member: 7223"><p>Well viruses can mutate and they do mutate, but along with that, there are also numerous strands of flu viruses. A flu vaccine only contains an innoculation for a select few strands that are predicted to be the problem strands for the area. So next years flu viruses can be totally different strands or mutated versions from last years. </p><p></p><p>If flu viruses cant mutate then how is it that humans can get swine flu or bird flu? Viruses are not bugs, they are parasitic organisms that take over host cells and then reproduce, when the host develops a resistance some viruses have the ability to mutate to continue taking over host cells</p><p></p><p>Mutation is one of the main reasons why HIV is so deadly and hard to slow down or stop.</p></blockquote><p></p>
[QUOTE="4play, post: 1303922, member: 7223"] Well viruses can mutate and they do mutate, but along with that, there are also numerous strands of flu viruses. A flu vaccine only contains an innoculation for a select few strands that are predicted to be the problem strands for the area. So next years flu viruses can be totally different strands or mutated versions from last years. If flu viruses cant mutate then how is it that humans can get swine flu or bird flu? Viruses are not bugs, they are parasitic organisms that take over host cells and then reproduce, when the host develops a resistance some viruses have the ability to mutate to continue taking over host cells Mutation is one of the main reasons why HIV is so deadly and hard to slow down or stop. [/QUOTE]
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Why do we need Flu shots every year?
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