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Quote:
Originally posted by devorejh
What you get for the flu is a flu shot, it is not a vaccine. Don’t understand why people do not know the difference. A vaccine is something you take one time and you’re done, like smallpox or polio
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When you suggest people do not know the difference, it would be best if you knew the difference. Gracie provided you a link. It is especially enlightening that you picked those two diseases. Polio requires 4 doses, not one, to complete the primary and booster series. Smallpox is no longer given.
The word vaccine does however relate to the history of smallpox. Edward Jenner noticed that milkmaids who contracted cowpox seemed resistant to getting smallpox. He theorized that the milder cowpox illness was protective. He tested taking fluid from cowpox blisters and inoculating people with that fluid. In Latin cow is "vacca" The word vaccine is now used medically and commonly for all the shots and oral products used.