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.
Yersinia pestis can also lead to the black plague where the bacteria enters the victim's blood and causes a septic shock (this form of the disease is alternatively called septicemic plague and shows rapid mortality), where discolouration of the skin is due to coagulation of blood.