If a person had Whooping Cough at one point in their liftime could they catch it again? Or are they now immune to it?
Infection creates a natural immunity. That doesn't mean you can't possibly get it again, but it's unlikely.
I heard someone mention that catching whooping cough provides immunity for about 30 years but I haven't seen any data on my own.
Quoting jillj501:Natural infection - 4-20 years immunity
Vaccine - 4-12 years immunity
Those are HUGE variances! :-\
Wow! That's good to know. I was unsure about the vaccine. My husband will probably have to get it as he's military but my daughter & I won't be!
Everybody is a genius. But if you judge a fish by it's ability to climb a tree, it will live it's whole life believing that it is stupid. -Albert Einstein
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