The dengue virus mosquito vector Aedes aegypti at high elevation in Mexico

Autor(es): Lozano-Fuentes Saul,Hayden Mary H,Welsh-Rodriguez Carlos,Ochoa-Martinez Carolina,Tapia-Santos Berenice,Kobylinski Kevin C,Uejio Christopher K,Zielinski-Gutierrez Emily,Monache Luca Delle,Monaghan Andrew J,Steinhoff Daniel F,Eisen Lars


Resumo: México has cities (e.g., México City and Puebla City) located at elevations > 2,000 m and above the elevation ceiling below which local climates allow the dengue virus mosquito vector Aedes aegypti to proliferate. Climate warming could raise this ceiling and place high-elevation cities at risk for dengue virus transmission. To assess the elevation ceiling for Ae. aegypti and determine the potential for using weather/climate parameters to predict mosquito abundance, we surveyed 12 communities along an elevation/climate gradient from Veracruz City (sea level) to Puebla City (?2,100 m). Ae. aegypti was commonly encountered up to 1,700 m and present but rare from 1,700 to 2,130 m. This finding extends the known elevation range in México by > 300 m. Mosquito abundance was correlated with weather parameters, including temperature indices. Potential larval development sites were abundant in Puebla City and other high-elevation communities, suggesting that Ae. aegypti could proliferate should the climate become warmer.


Imprenta: The American Journal of Tropical Medicine and Hygiene, v. 87, n. 5, p. 902-909, 2012


Identificador do Objeto Digital: 10.4269/ajtmh.2012.12-0244


Descritores: Aedes aegypti - Cytopathology ; Aedes aegypti - Flaviviridae ; Aedes aegypti - Pathogenesis ; Aedes aegypti - virus ; Aedes aegypti - Transmission ; Aedes aegypti - Dengue ; Aedes aegypti - Immunology ; Aedes aegypti - Public health


Data de Publicação: 2012