The image shows a child on the left with the widely distributed chicken pox rash and an older person on the right with the localized shingles rash. The characteristics of the two diseases are listed beneath each. Both are caused by the same virus, varicella zoster virus.
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N. R. Gough, Prevent the pain, get the shingles vaccine. BioSerendipity (17 October 2018) https://www.bioserendipity.com/shingles-vaccines/