puukide vahendusel leviv haigus, mida põhjustab spiroheetide perekonda kuuluv bakter ning mille esmaseks tunnuseks on ringikujuline nahalööve puugihammustuse piirkonnas, an epidemic inflammatory disease that often begins with a characteristic skin lesion called erythema chronicum migrans accompanied by headache, stiff neck, fever, and malaise and that weeks or months , a disease caused by bacteria that are spread by the bite of an insect called a tick