Borrelia burgdorferi, the bacteria that causes Lyme disease, uses tenacious trial-and-error movements to worm their way in and infect us.

A new ultra-sensitive DNA test that identifies Lyme disease in horses could have applications for dogs and humans, too, researchers report.

New research tracks the tick-borne bacteria Borrelia miyamotoi. "To our surprise, it was found at all our testing sites throughout New England."

Researchers report a potential new test for Lyme disease that could identify it sooner and show how well treatments work.

Even after antibiotic treatment, some Lyme disease patients still have symptoms. New research reveals a potential culprit behind the long-lasting effects.

Lyme disease affects millions worldwide. But there are things you can do to protect yourself from this insidious illness.

The study found that ticks were unable to feed on guinea pigs vaccinated with an mRNA vaccine, preventing transmission of the pathogen that causes Lyme disease.

How bad are ticks this year? An expert explains why tick-borne diseases are on the rise.

How bad are ticks this year? An expert explains why tick-borne diseases are on the rise.

Researchers are piecing together clues to better understand the puzzling array of symptoms in those who never seem to fully recover from COVID-19.