You also have a small chance of getting hit by a meteor right after getting the shot.
Or getting into a car accident on the way home after the shot.
Or getting hit by lightning after getting the shot.
Or choking on your lunch sometime after getting the shot.
Best not to gamble.
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“Dark times lie ahead of us and there will be a time when we must choose between what is easy and what is right."
-Albus Dumbledore