Characteristics of the rash associated with West Nile virus fever.

Ferguson, Dayna D; Gershman, Ken; LeBailly, Adrienne; Petersen, Lyle R · Clin Infect Dis · 2005

case_series · Level IV

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Abstract

We characterized rash in 15 patients with West Nile virus (WNV) fever. Generalized, maculopapular rash typically occurred on days 5-12 of illness. Dysesthesia was reported by 27% of patients, and pruritus by 33% of patients. Because the rash was nonspecific and serologic test results were often negative for WNV at presentation, convalescent-phase testing was frequently required to diagnose WNV fever.

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