Originally Posted by
nova3930
There's some evidence that even if the strain isn't correct, there's enough similarity between the strains to provide some protection. Secondarily there's apparently some long term residual resistance every time you're exposed to a flu strain, so if they get the strain wrong, but the strain was included in past years, you again would see some protection. From what I've read in both cases the protection is typically reduced severity and/or duration....
After my past experiences with the flu, if the possibility of reduced severity and duration are an option, I'll take it.
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