Diseases, Conditions, Syndromes

Major test of first possible Lyme vaccine in 20 years begins

Researchers are seeking thousands of volunteers in the U.S. and Europe to test the first potential vaccine against Lyme disease in 20 years—in hopes of better fighting the tick-borne threat.

Diseases, Conditions, Syndromes

Q and A: Tick-borne illnesses

DEAR MAYO CLINIC: A close friend was diagnosed recently with Lyme disease due to a tick bite. However, I recently read about some new type of tick-borne illness. My family loves to hike and be outdoors, but I'm nervous now ...

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