Journal
AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE
Volume 87, Issue 5, Pages 902-909Publisher
AMER SOC TROP MED & HYGIENE
DOI: 10.4269/ajtmh.2012.12-0244
Keywords
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Funding
- Ministries of Public Health, Education and Civil Protection of Veracruz Government
- National Science Foundation [GEO-1010204]
- Directorate For Geosciences [1010204] Funding Source: National Science Foundation
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [0964768] Funding Source: National Science Foundation
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Mexico has cities (e.g., Mexico 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 (similar to 2,100 m). Ac. 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 Mexico 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.
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