To investigate the prevalence of Lyme disease-related Borrelia species, wil
d rodents were captured around Yushan National Park and Alishan Forest Recr
eation Area Park in Taiwan 2,000 to 3,000 meters above sea level. Borrelia
was not isolated from 67 small mammals of 7 species. Sera from rodents show
ed no positive reactivity against whole cell antigens of B. garinii, B. afz
elii or B. valaisiana hy ELISA, These results suggested that Lyme disease i
s not endemic to the Alishan area.