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Volume 19, Number 1—January 2013
Dispatch

West Nile Virus Infection among Humans, Texas, USA, 2002–2011

Melissa S. Nolan, Jim Schuermann, and Kristy O. MurrayComments to Author 
Author affiliations: Author affiliations: Baylor College of Medicine, Houston, Texas, USA (M.S. Nolan, K.O. Murray); Texas Department of State Health Services, Austin, Texas, USA (J. Schuermann)

Main Article

Table

Sex- and age­­­-stratified ratio of infected population by reported cases of WNND, Texas, USA, 2002–2011*

Patient age, y Texas population† Reported WNND cases‡ WNND attack rate/100,000 population Ratio of estimated no. infected for each reported WNND case§ Estimated WNV-infected population Estimated seroprevalence of WNV- infected population, %
Children, 5–15 3,754,316 40 1.1 4,167 166,680 4.44
Adult men

16–24

 1,502,524 48 3.2 719 34,512 2.30

25–44

 3,204,788 167 5.2 356 59,452 1.86

45–64

 2,839,796 310 10.9 248 76,880 2.71

>65

 1,098,089 358 32.6 50 17,900 1.63
Adult women

16–24

 1,442,664 37 2.6 1,231 45,547 3.16

25–44

 3,066,278 140 4.6 330 46,200 1.51

45–64

 2,920,842 190 6.5 387 73,530 2.52

>65

 1,413,691 224 15.8 61 13,664 0.97
Overall 21,242,988 1,514 7.1 353 534,442 2.52

*WNND, West Nile neuroinvasive disease; WNV, West Nile virus.
†Eestimates from State Data Center (www.idserportal.utsa.edu/sdc/projections).
‡Reported to the Texas Department of State Health Services.
§Ratio from references (3,4).

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References
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Page created: December 20, 2012
Page updated: December 20, 2012
Page reviewed: December 20, 2012
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