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Volume 25, Number 2—February 2019
CME ACTIVITY - Research

Acute and Delayed Deaths after West Nile Virus Infection, Texas, USA, 2002–2012

David C.E. Philpott1, Melissa S. Nolan, Nicole Evert, Bonny Mayes, Dawn Hesalroad, Eric Fonken, and Kristy O. MurrayComments to Author 
Author affiliations: Baylor College of Medicine and Texas Children’s Hospital, Houston, Texas, USA (D.C.E. Philpott, M.S. Nolan, K.O. Murray); Texas Department of State Health Services, Austin, Texas, USA (N. Evert, B. Mayes, D. Hesalroad, E. Fonken)

Main Article

Table 1

Demographic and clinical characteristics of case-patients with fatal and nonfatal West Nile virus infections, Texas, USA, 2002–2012*

Characteristic Nonfatal, n = 3,585 Fatal, n = 557
Acute phase, n = 289 Convalescent phase, n = 268
Median age at symptom onset, y (range)
52 (0–98)
75 (19–100)
70.5 (17–99)
Sex, %
M 2,015 (56.2) 175 (60.6) 182 (67.9)
F
1,570 (43.8)
114 (39.4)
86 (32.1)
Race, %
White, non-Hispanic 2,630 (73.4) 195 (67.5) 182 (67.9)
White, Hispanic 753 (21.0) 64 (22.2) 59 (22.0)
Black
202 (5.6)
30 (10.4)
27 (10.1)
Median no. days until death after symptom onset (range)
NA
19 (0–88)
1,171.5 (92–3,765)
WNND, no. (%)
1,902 (53.1)
267 (92.4)
210 (78.4)
Case counts by year of infection
2002 203 13 25
2003 598 50 94
2004 137 18 24
2005 154 13 33
2006 279 37 41
2007 209 25 26
2008 57 2 6
2009 103 10 1
2010 76 9 4
2011 22 4 1
2012 1,747 108 13

*Acute indicates that death occurred <90 d after symptom onset after infection with West Nile virus. Convalescent phase indicates that death occurred >90 d after symptom onset. NA, not available; WNND, West Nile neuroinvasive disease.

Main Article

1Current affiliation: Johns Hopkins Children’s Center, Baltimore, Maryland, USA.

Page created: January 17, 2019
Page updated: January 17, 2019
Page reviewed: January 17, 2019
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