Don't know: Risk factors increase the risk but do not guarantee that you get the condition. Genetic variation and immune system have a lot do with it, and our level of understanding of the process is very limited. There is a vaccine available. Talk to your doctor to see if it is recommended for you.
Answered 2/24/2018
6.1k views
Immunity : High immunity and prior exposure to help to resist re-infections.
Answered 10/2/2012
5.6k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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