Quick Answer. How much a person earns from Social Security depends on the year, current age and full retirement age (based on year of birth). As of 2014, you are able to earn up to $15,480 before deductions if you are collecting early benefits (available at age 62).
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.).neumonic Plague. This is the most serious form of plague and occurs when Y. pestis bacteria infect the lungs and cause pneumonia. 1  You get primary pneumonic plague when you inhale plague bacteria from an infected person or animal.
When an animal or person is infected with Yersinia pestis, the bacteria affect the lymph system, causing the characteristic symptoms. If bubonic plague is left untreated, plague bacteria can quickly multiply in the bloodstream, causing septicemic plague. The bacteria could also progress to the lungs, causing pneumonic plague.