Southern Ticks Pick Lizards

Lyme disease affects over 300,000 people every year in the US. The black-legged tick that spreads the disease lives all over the nation—so, why is the problem so concentrated in the Northeast?
Lizards may be the reason, according to a paper in PLOS Biology.
Southern ticks like to feast on the reptiles, while northeastern ticks prefer mammals, which are better at transmitting the virus.
Climate change could shift these norms, inviting northeastern ticks to cast a wider net, and that could “really change the disease risk for people that live right on that border,” says disease ecologist Andrea Swei.

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