What disease is characterized by small obligate intracellular parasites, gram (-) cell wall nonmotile pleomorphic rods or coccobacilli, with ticks, fleas, and lice in their life cycle, and where bacteria enter endothelial cells causing necrosis of the vascular lining?

(a) Tuberculosis
(b) Lyme disease
(c) Rocky Mountain spotted fever
(d) Typhoid fever