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    Chickenpox (Varicella) - What Increases Your Risk

    You are at risk for chickenpox if you have not had chickenpox or the vaccine and you:

    • Live with someone who has chickenpox.
    • Are indoors for more than 1 hour with someone who has chickenpox.
    • Are in the hospital and share a room with someone who later gets chickenpox or are cared for by a staff member who later gets chickenpox.
    • Have a weak immune system.

    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 aren't likely to get chickenpox more than once.

    Recommended Related to Adult Vaccines

    How Effective Is the Flu Vaccine?

    According to the CDC, the flu vaccine reduces the odds of getting the flu by 70% to 90%. You may wonder why there's such a wide range. And in fact, it's even wider than it seems: that statistic only applies to healthy adults. It turns out that the effectiveness of the flu vaccine depends on a number of different factors. Here's a rundown of what they are. Your Age The flu vaccine doesn't work equally well in all people. It’s most effective in healthy adults. In young children, the flu vaccine...

    Read the How Effective Is the Flu Vaccine? article > >

    WebMD Medical Reference from Healthwise

    Last Updated: September 09, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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