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Volume 11, Number 7—July 2005
Research

West Nile Virus–associated Flaccid Paralysis

James J. Sejvar*Comments to Author , Amy V. Bode†, Anthony A. Marfin†, Grant L. Campbell†, David Ewing‡, Michael Mazowiecki‡, Pierre V. Pavot§, Joseph Schmitt¶, John Pape#, Brad J. Biggerstaff†, and Lyle R. Petersen†
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; ‡Centennial Neurology, Greeley, Colorado, USA; §Longmont Clinic, Longmont, Colorado, USA; ¶McKee Hospital, Loveland, Colorado, USA; #Colorado Department of Health and Environment, Denver, Colorado, USA

Main Article

Table 1

Signs and symptoms in 32 patients with West Nile virus (WNV)–associated paralysis

Systemic sign or symptom Acute infection, N = 32
 4-month followup, N = 27
n (%) n (%)
Fever (temperature ≥38°C) 29 (91) 0
Nausea with or without vomiting 26 (81) 0
Headache 28 (88) 5 (19)
Altered mental status 16 (50) 0
Meningismus 10* (31) 0
Rash 4 (13) 0
WNV-associated neurologic features
Tremor 21† (66) 8 (25)
Myoclonus 15 (47) 2 (6)
Parkinsonism 8 (25) 2 (6)
Cerebellar ataxia 3 (9) 2 (6)
Limb atrophy 0 17 (53)

*Includes 2 patients with Guillain-Barré–like syndrome and 1 patient with long thoracic nerve weakness.
†Includes 2 patients with Guillain-Barré–like syndrome.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
Page reviewed: April 23, 2012
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