The life cycle ... as the deer tick or the black-legged tick. Lyme disease is caused by the spirochete Borrelia burgdorferi which is transmitted by an infected vector tick to a host during feeding.

As the risk of Lyme disease increases with the warmer weather, Dartmouth scientists, medical experts and students share their ...

Parasites that exhibit a complex life cycle require a definitive ... effects of host diversity and community composition on Lyme disease risk. PNAS 100(2): 567-371 (2003). McCallum H.