New frontiers for coyotes may bring more Lyme disease

Expanding predator populations could explain an uptick in infections

12:51pm, June 21, 2012

Coyotes expanding into new territories across North America may be driving a surge in Lyme disease.

It’s often deer that municipalities blame for raising the risk of human infection with the tick-transmitted Lyme bacteria. Yet records from the past three decades link rising numbers of Lyme cases not with booming deer populations but with spreading coyotes, says ecologist Taal Levi, now at the Cary Institute of Ecosystem Studies in Millbrook, N.Y.

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