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. Murray
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.
1Current affiliation: Johns Hopkins Children’s Center, Baltimore, Maryland, USA.
Page created: January 17, 2019
Page updated: January 17, 2019
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