what is borrelia spirochetes
Borrelia Burgdorferi. Lyme disease is caused by a number of different strains and species of Borrelia bacteria, generally Borrelia burgdorferi in the United States and Borrelia afzelii and Borrelia garinii in Europe. The Borrelia burgdorferi bacteria are named after scientist Willy Burgdorfer, who first identified the strain in the early 1980s.