What are the criteria used to classify a case as suspected or probable dengue?

Updated: May 03, 2019
  • Author: Darvin Scott Smith, MD, MSc, DTM&H; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Cases are classified as suspected dengue if they are compatible with the clinical description. They are classified as probable dengue if they are compatible with the clinical definition and satisfy one or more of the following criteria:

  • Supportive serology (reciprocal hemagglutination-inhibition antibody titer greater than 1280, comparable IgG EIA titers, or positive IgM antibody test in late acute or convalescent-phase serum specimen)
  • Occurrence at the same location and time as other confirmed cases of dengue fever

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