According to WebMD:
Shingles occurs when the virus that causes chickenpox starts up again in your body. After you get better from chickenpox, the virus "sleeps" (is dormant) in your nerve roots. In some people, it stays dormant forever. In others, the virus "wakes up" when disease, stress, or aging weakens the immune system. It is not clear why this happens. But after the virus becomes active again, it can only cause shingles, not chickenpox.The shingles vaccine is newly available and is known as Zostavax and is recommended for adults 60 and older, whether or not they've had shingles before. There is information about the vaccine from the Center for Disease Control. The vaccine has only been tested in people over 60 years of age at this point. I heard about it and was interested because both my mother and my sister have had painful bouts of shingles. There are pros and cons for any type of vaccine, of course, but the pain and suffering that occurs from a case of shingles is a good reason to consider getting the vaccine.
You can't catch shingles from someone else who has shingles....While you have shingles, you can spread chickenpox to people who have never had chickenpox.
Yikes! Great picture to show the sores though. It's amazing to hear how painful they can be. Thanks for the vaccine plug.
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