气候观察短片：蜱虫为何向北迁移
夏季蜱虫季节过去只是安大略省南部地区的一个问题，但随着气候变暖，蜱虫的数量正在向北迁移。圭尔夫安大略兽医学院（Ontario Veterinary College）的寄生虫学家解释了这种迁移对人类及其宠物的影响。
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It all starts with Sawyer Squeeze + Cnoc VectoX 2L, the best and most reliable filter-bladder combo and the core of my backpacking water storage and filtration system.
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Our top water filter for thru hiking, the Sawyer Squeeze, is 15% off.
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People with alpha-gal syndrome show allergic symptoms such as rash, nausea and vomiting after eating such meat.
Stephanie Soucheray
Reporter
