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A comment on Australia Just Had a Bad Flu Season. That May Be a Warning for the U.S.. Parent comment
My understanding was that the flu vaccines use inactive bits of the flu viruses selected for the vaccines.
I don’t understand how inactive bits of a virus can cause infection?
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My understanding was that the flu vaccines use inactive bits of the flu viruses selected for the vaccines.
I don’t understand how inactive bits of a virus can cause infection?