Beat policing is based on traditional policing (late 19th century) and utilises the close relationship with the community members within the assigned beat to strengthen police effectiveness and encourage cooperative efforts to make a safer community.
Yersinia pestis bacteria can cause three different types of plague: bubonic, septicemic, or pneumonic. In bubonic plague, the most common form, bacteria infect the lymph system and causes it to become inflamed.(The lymph or lymphatic system is a major component of your body's immune system. The organs within the lymphatic system are the tonsils, adenoids, spleen, and thymus.).n bubonic plague, the most common form, bacteria infect the lymph system and causes it to become inflamed. (The lymph or lymphatic system is a major component of your body's immune system. The organs within the lymphatic system are the tonsils, adenoids, spleen, and thymus.).
Plague Disease Causes. The bacteria (Yersinia pestis) that cause plague can be transmitted from a host such as a rat to a human through the bite of an animal or insect (such as a flea). These bites transport the disease. Bubonic plague: The bacteria that cause plague can thrive and grow in the flea's esophagus. 2  This crowding of bacterial growth prevents food from entering the flea's stomach. 3  To overcome starvation, the flea begins a blood-sucking rampage.