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 menace. (AP Video/Shelby Lum)
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 menace. (AP Video/Shelby Lum)