<prompt> Lyme disease is caused by:Borrelia vincentiBorrelia BurgdorferiBorrelia RecurrentisTreponema Pertenue  <response>: Ans. b Borrelia BurgdorferiRef.: Microbiology by Ananthanarayan and Paniker 8th ed. 377, 379, 381 Causal agent of lyme disease: Borrelia Burgdorferi I.P. 3 to 30 days Vector: Ticks Lyme disease occurs in 3 stages: Stage 1: localized infection, appears an annular skin lesion Erythema Migrans Stage 2: disseminated infection, now with headache, fever, arthralgia, myalgia and lymphadenopathy. Stage 3: persistent infection, presents with chronic arthritis, encephalopathy, and acrodermatitis.Also Know Borrelia vincenti: ulcerative gingivostomatitis or oropharyngitis Vincents Angina Borrelia Recurrentis: louse borne relapsing I fever Treponema carateum: causes Pinta Treponema Pertenue: causes Yaws Treponema Pallidum: Syphilis 