It is received by getting bit by a rodent or flea or when Yersinia pestis enters the bloodstream. The most serious and deadliest form is the pneumonic plague, although it is rare. It occurs when Yersinia pestis spreads to the lungs and causes pneumonia. This form of the plague is so dangerous that if an infected person coughs, the bacteria from their lungs is discharged into the air, giving anyone around him, the disease. This can lead to an epidemic. There are two types of pneumonic plague, primary and secondary. Primary pneumonic plague is received when an individual directly inhales the bacteria from an infected person or animal. Secondary pneumonic plague is received if an individual has untreated, bubonic plague or septicemic …show more content…
The bubonic plague affects the lymph glands, they become tender and swollen, these are called buboes. Buboes gave the bubonic plagues its name. This usually appears on the armpits, groin, neck, or the area where the insect bit or scratched you. Within three days of exposure to the bacteria, the infected person develops symptoms such as fever, headache, chills, muscle pain and general weakness of the body. Symptoms of septicemic plague include fever, chills, weakness, abdominal pain, internal bleeding, shock, nausea and vomiting. Buboes do not develop in this form of plague. In some cases, people have died from septicemic plague before they even developed symptoms of it. Symptoms of pneumonic plague can appear in as little as one day after being exposed to the bacteria. The symptoms are shortness of breath, chest pain, cough, bloody sputum, fever, headache, and