Lyme disease-carrying ticks may invade new territory in the Midwest


Black-legged ticks may soon expand their territory across the midwestern U.S., carrying Lyme disease with them, a new study finds. 

The study researchers created a timeline of when and where the black-legged tick (Ixodes scapularis) has spread since the 1960s, when the parasitic arachnid was first detected in Wisconsin and Minnesota. The team pinpointed several environmental factors that help the ticks migrate from place to place, and using this data, they predicted where ticks would go next.



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