What is atypical measles?

Updated: Jun 06, 2019
  • Author: Selina SP Chen, MD, MPH; Chief Editor: Russell W Steele, MD  more...
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Atypical measles occurs in individuals who were vaccinated with the original killed-virus measles vaccine between 1963 and 1967 and who have incomplete immunity. After exposure to the measles virus, a mild or subclinical prodrome of fever, headache, abdominal pain, and myalgias precedes a rash that begins on the hands and feet and spreads centripetally. The eruption is accentuated in the skin folds and may be macular, vesicular, petechial, or urticarial. The live-attenuated vaccine replaced the killed vaccine in 1967 and is not associated with atypical measles.

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