What is the prognosis of West Nile virus infection?

Updated: Apr 23, 2020
  • Author: Jess D Salinas, Jr, MD; Chief Editor: Elizabeth A Moberg-Wolff, MD  more...
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The prognosis in West Nile virus is generally good. However, the elderly and persons with multiple medical complications have a poorer prognosis.

A study by Yeung et al suggested that patients with acute West Nile virus score low with regard to health-related quality of life (HRQoL) but experience significant postacute improvement in HRQoL within 6 months. The investigators also reported that neuroinvasive disease, after adjusting for confounding, did not, either during up to 3-year follow-up or postacute infection, significantly predict HRQoL. The study did, however, find number of comorbidities and baseline utility scores to be predictors. [38]

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