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Trypanosoma cruzi screening in Texas blood donors, 2008–2012

  • M. N. GARCIA (a1), L. WOC-COLBURN (a1), S. N. ROSSMANN (a2), R. L. TOWNSEND (a3), S. L. STRAMER (a3), M. BRAVO (a4), H. KAMEL (a4), R. BEDDARD (a5), M. TOWNSEND (a6), R. OLDHAM (a6), M. E. BOTTAZZI (a1), P. J. HOTEZ (a1) and K. O. MURRAY (a1)...
Summary

Chagas disease is an important emerging disease in Texas that results in cardiomyopathy in about 30% of those infected with the parasite Trypanosoma cruzi. Between the years 2008 and 2012, about 1/6500 blood donors were T. cruzi antibody-confirmed positive. We found older persons and minority populations, particularly Hispanic, at highest risk for screening positive for T. cruzi antibodies during routine blood donation. Zip code analysis determined that T. cruzi is associated with poverty. Chagas disease has a significant disease burden and is a cause of substantial economic losses in Texas.

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Corresponding author
*Author for correspondence: Mrs M. N. Garcia, MPH, 1102 Bates Avenue #550, Houston, TX 77030, USA. (Email: mnolan@bcm.edu) [M.N.G] (Email: kmurray@bcm.edu) [K.O.M.]
References
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1. Cantey, PT, et al. The United States Trypanosoma cruzi Infection Study: evidence for vector-borne transmission of the parasite that causes Chagas disease among United States blood donors. Transfusion 2012; 52: 19221930.
2. Custer, B, et al. Epidemiologic and laboratory findings from 3 years of testing United States blood donors for Trypanosoma cruzi . Transfusion 2012; 52: 19011911.
3. American Association of Blood Banks. Chagas biovigi lance network (http://www.aabb.org/programs/biovigilance/Pages/chagas.aspx). Accessed 8 July 2014.
4. US Census Bureau. American fact finder (http://factfinder2.census.gov/faces/nav/jsf/pages/index.xhtml). Accessed 8 July 2014.
5. Lee, BY, et al. Global economic burden of Chagas disease: a computational simulation model. Lancet Infectious Diseases 2013; 13: 342348.
6. Sarkar, S, et al. Chagas disease risk in Texas. PLoS Neglected Tropical Diseases 2010; 4: e836
7. Beard, CB, et al. Chagas disease in a domestic transmission cycle in southern Texas, USA. Emerging Infectious Diseases 2003; 9: 103105.
8. Bern, C, et al. Trypanosoma cruzi and Chagas disease in the United States. Clinical Microbiology Reviews 2011; 24: 655681.
9. Leiby, DA, et al. Trypanosoma cruzi in Los Angeles and Miami blood donors: impact of evolving donor demographics on seroprevalence and implications for transfusion transmission. Transfusion 2002; 42: 549555.
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Epidemiology & Infection
  • ISSN: 0950-2688
  • EISSN: 1469-4409
  • URL: /core/journals/epidemiology-and-infection
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