MeaNS - Measles Nucleotide Surveillance
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Measles Clinical Features
Clinical Factors
  • Incubation period 10 - 12 days
  • lasts 2 - 4 days (range 1 - 7 days)
  • Stepwise increase in fever to 103° - 105°F or higher
  • Cough, coryza (runny nose), or conjunctivitis
  • Koplik spots, a rash (enanthem) present on mucous membranes
  • 2-4 days after prodrome, 14 days after exposure
  • Persists 5-6 days
  • Begins on face and head
  • Maculipapular, becomes confluent
  • Fades in order of appearance
Laboratory Diagnosis
  • Isolation of mealses virus from a clinical specimen (eg: urine, nasopharynx))
  • Significant rise in measles IgG by any standard assay (eg: EIA, HA)
  • Positive serologic test for measles IgM antibody

Geographical distribution of Measles virus genotypes for the 12 months from June 2018 to the end of May 2019. Data source MeaNS database for genotypes, IVB database for incidence

The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted lines on maps represent approximate border lines for which there may not yet be full agreement. ©WHO 2019. All rights reserved.