Jonas Schmidt-Chanasit of Germany's Bernhard Nocht Institute tropical medicine center said that "the unusually warm summers of the last two years, triggered by climate change, apparently have contributed to WNV establishing itself north of the Alps."
德国伯恩哈德·诺克特热带医学研究所的乔纳斯·施密特·查纳西特表示：“由于气候变化，过去两年内，夏季异常炎热，显然加速了西尼罗河病毒在阿尔卑斯山北部的传播。”