New Map Shows that Most Lyme-Infected Ticks Are in Northeast, Northern Midwest

Female blacklegged tick courtesy of Graham Hickling/University of Tennessee Lyme disease is notoriously tough to diagnose. The symptoms often don’t appear for one or two weeks after a bite and can vary from feeling flu-ish to longer-term neurological damage. And ticks seem to lie in wait throughout much of the U.S., prepared to pounce and infect a passerby

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New Map Shows that Most Lyme-Infected Ticks Are in Northeast, Northern Midwest