What is the role of viral genotyping in the workup of measles?

Updated: Jun 06, 2019
  • Author: Selina SP Chen, MD, MPH; Chief Editor: Russell W Steele, MD  more...
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Viral genotyping in a reference laboratory may determine whether an isolate is endemic or imported. In immunocompromised patients, who may have poor antibody responses that preclude serologic confirmation of measles, isolation of the virus from infected tissue or identification of measles antigen by means of immunofluorescence may be the only feasible method of confirming the diagnosis.

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