Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, USA.
Am J Trop Med Hyg. 2012 Nov;87(5):902-9. doi: 10.4269/ajtmh.2012.12-0244. Epub 2012 Sep 17.
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.
墨西哥有一些城市（如墨西哥城和普埃布拉城）位于海拔 2000 米以上，高于当地气候允许登革热病毒蚊子传播媒介埃及伊蚊繁殖的上限。气候变暖可能会提高这个上限，使高海拔城市面临登革热病毒传播的风险。为了评估埃及伊蚊的海拔上限，并确定利用天气/气候参数预测蚊子数量的可能性，我们沿着海拔/气候梯度从韦拉克鲁斯城（海平面）到普埃布拉城（约 2100 米）调查了 12 个社区。埃及伊蚊在海拔 1700 米以下很常见，在 1700 至 2130 米之间也有，但很少见。这一发现将墨西哥已知的海拔范围延长了 300 多米。蚊子的数量与包括温度指数在内的天气参数有关。潜在的幼虫发育地点在普埃布拉城和其他高海拔社区很丰富，这表明如果气候变暖，埃及伊蚊可能会大量繁殖。
