What is included in measles case reporting?

Updated: Jun 06, 2019
  • Author: Selina SP Chen, MD, MPH; Chief Editor: Russell W Steele, MD  more...
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Case reporting

Immediately reporting any suspected case of measles to a local or state health department is imperative. The US CDC clinical case definition for reporting purposes requires only the following:

  • Generalized rash lasting 3 days or longer

  • Temperature of 101.0°F (38.3°C) or higher

  • Cough, coryza, or conjunctivitis

For reporting purposes for the CDC, cases are classified as follows:

  • Suspected: Any febrile illness accompanied by rash

  • Probable: A case that meets the clinical case definition, has noncontributory or no serologic or virologic testing, and is not epidemiologically linked to a confirmed case

  • Confirmed: A case that is laboratory confirmed or that meets the clinical case definition and is epidemiologically linked to a confirmed case; a laboratory-confirmed case need not meet the clinical case definition

See Workup for more detail.

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