Identification of Triatomines and Their Habitats in a Highly Developed Urban Environment
Eleven triatomine species, the vector for Chagas disease, are endemic in the southern U.S. While traditionally thought to only occur in rural habitats and sylvatic transmission cycles, recent studies provide compounding evidence that triatomines could exist in urban habitats and domestic transmissio...
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Veröffentlicht in: | Vector borne and zoonotic diseases (Larchmont, N.Y.) N.Y.), 2019-04, Vol.19 (4), p.265-273 |
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Sprache: | eng |
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Zusammenfassung: | Eleven triatomine species, the vector for Chagas disease, are endemic in the southern U.S. While traditionally thought to only occur in rural habitats and sylvatic transmission cycles, recent studies provide compounding evidence that triatomines could exist in urban habitats and domestic transmission cycles in Texas. We conducted a study of active and passive surveillance techniques over 3 years (2016–2018) in the City of Houston, Harris County, Texas to determine the presence of triatomines in this metroplex. Active surveillance methods uncovered
Triatoma sanguisuga
nymphs from two locations in downtown Houston city parks. We also documented the first
Trypanosoma cruzi
positive kissing bug collected in an urban environment of Harris County, Texas. Our findings provide evidence that triatomines can be found in heavily populated U.S. urban environments, and warrant public health support for expanded triatomine and Chagas disease surveillance in city settings. |
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ISSN: | 1530-3667 1557-7759 |
DOI: | 10.1089/vbz.2018.2352 |