Rocky Mountain Spotted Fever is another bacterial disease that can be transmitted through the bites of ticks, in this case those that carry Rickettsia rickettsii bacteria. (lovinmypup.com)
Any of these stages could be infected with R. rickettsii and transmit Rocky Mountain spotted fever. (web-dvm.net)
After transmission, Rickettsia rickettsii bacteria invade the cells that line the walls of small blood vessels (small veins, arterioles, and capillaries) and begin to multiply. (rachelebaker.com)