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Volume 23, Number 8—August 2017
Dispatch

West Nile Virus Outbreak in Houston and Harris County, Texas, USA, 2014

Diana Martinez, Kristy O. MurrayComments to Author , Martin Reyna, Raouf R. Arafat, Roberto Gorena, Umair A. Shah, and Mustapha Debboun
Author affiliations: Harris County Public Health, Houston, Texas, USA (D. Martinez, M. Reyna, R. Gorena, U.A. Shah, M. Debboun); Baylor College of Medicine and Texas Children’s Hospital, Houston (K.O. Murray); Houston Health Department, Houston (R.R. Arafat)

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Table 1

Demographics and attack rates of West Nile virus cases reported to HCPH and HHD, Houston/Harris County, Texas, USA, 2014*

Case-patient characteristics All case-patients, no. (%), n = 139 Attack rate†/100,000 population WNF, no. (%), n = 34 WNND, no. (%), n = 105
Sex
M 96 (69) 4.5 26 (76) 70 (67)
F
 43 (31)
 2.0
 8 (24)
 35 (33)
Age, y
˂18 5 (4) 0.4 1 (3) 4 (4)
18–24 3 (2) 0.7 1 (3) 2 (2)
25–44 25 (18) 1.9 6 (18) 19 (18)
45–64 52 (37) 5.2 11 (32) 41 (39)
˃65
 54 (39)
 14.5
 15 (44)
 39 (37)
Race/ethnicity
White, non-Hispanic 73 (53) 5.3 17 (50) 56 (53)
Black 19 (14) 2.4 6 (18) 13 (12)
White, Hispanic 30 (22) 1.7 4 (12) 26 (25)
Asian 2 (1) 0.7 1 (3) 1 (1)
Other/unknown 15 (11) NA 6 (18) 9 (9)

*HCPH, Harris County Public Health; HHD, Houston Health Department; WNF, West Nile fever; WNND, West Nile neuroinvasive disease; NA, not applicable.
†Attack rates based on 2014 population estimates from the Texas State Data Center (3), accessed February 10, 2017. Total population of Harris County = 4,269,608.

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References
  1. Lillibridge  KM, Parsons  R, Randle  Y, Travassos da Rosa  AP, Guzman  H, Siirin  M, et al. The 2002 introduction of West Nile virus into Harris County, Texas, an area historically endemic for St. Louis encephalitis. Am J Trop Med Hyg. 2004;70:676–81.PubMedGoogle Scholar
  2. Nolan  MS, Schuermann  J, Murray  KO. West Nile virus infection among humans, Texas, USA, 2002-2011. Emerg Infect Dis. 2013;19:137–9. DOIPubMedGoogle Scholar
  3. Murray  KO, Ruktanonchai  D, Hesalroad  D, Fonken  E, Nolan  MS. West Nile virus, Texas, USA, 2012. Emerg Infect Dis. 2013;19:1836–8. DOIPubMedGoogle Scholar
  4. Centers for Disease Control and Prevention. Arboviral diseases, neuroinvasive and non-neuroinvasive 2014 case definition [cited 2017 Apr 11]. https://wwwn.cdc.gov/nndss/conditions/arboviral-diseases-neuroinvasive-and-non-neuroinvasive/case-definition/2014/
  5. The Texas State Data Center TTSD. Texas population projections program [cited 2017 Apr 11]. http://txsdc.utsa.edu/Data/TPEPP/Projections/Index.aspx
  6. Nava  MR, Debboun  M. A taxonomic checklist of the mosquitoes of Harris County, Texas. J Vector Ecol. 2016;41:190–4. DOIPubMedGoogle Scholar
  7. Nolan  MS, Zangeneh  A, Khuwaja  SA, Martinez  D, Rossmann  S, Cardenas  V, Murray  KO. Proximity of residence to bodies of water and risk for West Nile virus infection: a case-control study in Houston, Texas. J Biomed Biotechnol. 2012;•••:159578.
  8. Mostashari  F, Bunning  ML, Kitsutani  PT, Singer  DA, Nash  D, Cooper  MJ, et al. Epidemic West Nile encephalitis, New York, 1999: results of a household-based seroepidemiological survey. Lancet. 2001;358:261–4. DOIPubMedGoogle Scholar
  9. Carson  PJ, Borchardt  SM, Custer  B, Prince  HE, Dunn-Williams  J, Winkelman  V, et al. Neuroinvasive disease and West Nile virus infection, North Dakota, USA, 1999-2008. Emerg Infect Dis. 2012;18:684–6. DOIPubMedGoogle Scholar
  10. Vanichanan  J, Salazar  L, Wootton  SH, Aguilera  E, Garcia  MN, Murray  KO, et al. Use of testing for West Nile virus and other arboviruses. Emerg Infect Dis. 2016;22:1587–93. DOIPubMedGoogle Scholar
  11. Barber  LM, Schleier  JJ III, Peterson  RK. Economic cost analysis of West Nile virus outbreak, Sacramento County, California, USA, 2005. Emerg Infect Dis. 2010;16:480–6. DOIPubMedGoogle Scholar
  12. Bureau of Labor Statistics Consumer Price Index Calculator [cited 2017 Feb 13]. http://www.bls.gov/data/inflation_calculator.htm

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Page created: July 17, 2017
Page updated: July 17, 2017
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