Lyme Disease, Borrelia burgdorferi Bacteria, SEM

abnormal bacteria borrelia burgdorferi borrelia colorized corkscrew shaped diderm double membrane disease em enhanced helical histopathology illness infectious disease insect borne lyme borreliosis lyme disease medical microbiology micrograph microorganism microscopic pathogen prokaryote science sem single celled organism spiral shaped spirochete tick borne unhealthy vector borne zoonosis