WebMD Answers
You are at risk for chickenpox if you have not had chickenpox or the vaccine and you:
Your risk of getting chickenpox is especially high if you are exposed to a household member with chickenpox, because of the close contact. In addition, you may develop a more severe case than the person who infected you. Chickenpox is most contagious from 1 to 2 days before the rash appears until the blisters have dried and formed crusts.
Some people also are at increased risk of developing complications from chickenpox, such as newborns, teenagers, adults-especially pregnant women-and those with impaired immune systems.
After you have had chickenpox or the vaccine, you become immune to the virus. It is possible that you may have a slight reaction after reexposure, such as a few spots and a slight fever. But you are not likely toget chickenpox more than once.
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