Red skin and inflamed arm of a young boy showing a reaction to MMR (measles, mumps and rubella) vaccine inoculated three days earlier.

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Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: arm, boy, child, clinical, condition, diagnosis, disorder, healthcare, inflamed, inflammation, inoculation, measles, medical, mmr, mumps, patient, reaction, red, rubella, skin, vaccination, vaccine, young