The bubonic plague

Smooth, painful lymph gland swelling called a bubo, commonly found in the groin, but may occur in the armpits or neck, most often near the site of the initial infection bite or scratch Pain may occur in the area before the swelling appears Gangrene of the extremities such as toes, fingers, lips and tip of the nose. Additional symptoms include extreme fatigue, gastrointestinal problems, lenticulae black dots scattered throughout the bodydelirium, and coma.

The bubonic plague

Symptoms | Plague | CDC

ShareCompartir Plague in the United States Plague was first introduced into the United States inby rat—infested steamships that had sailed from affected areas, mostly from Asia.

Epidemics occurred in port cities. The last urban plague epidemic in the United States occurred in Los Angeles from through Plague then spread from urban rats to rural rodent species, and became entrenched in many areas of the western United States.

Since that time, plague has occurred as scattered cases in rural areas. Most human cases in the United States occur in two regions: In recent decades, an average of seven human plague cases have been reported each year range: It occurs in both men and women, though historically is slightly more common among men, probably because of increased outdoor activities that put them at higher risk.

The case shown in Illinois was lab-associated. Human Plague Cases and Deaths - United States, In recent decades, an average of seven human plague cases have been reported each year range: Plague Worldwide Plague epidemics have occurred in Africa, Asia, and South America but most human cases since the s have occurred in Africa.

Almost all of the cases reported in the last 20 years have occurred among people living in small towns and villages or agricultural areas rather than in larger towns and cities.Other symptoms depend on the three main kinds of plague: Bubonic plague.

This is the most common type.

The bubonic plague

bubonic plague n. A contagious, often fatal epidemic disease caused by the bacterium Yersinia pestis, transmitted from person to person or by the bite of fleas from an infected host, especially a rat, and characterized by chills, fever, vomiting, diarrhea, and the formation of buboes.

In bubonic plague, the most common form, bacteria infect the lymph system and become inflamed. (The lymph or lymphatic system is a major component of .

Bubonic plague is the most common form and is characterized by painful swollen lymph nodes or 'buboes'. Plague is transmitted between animals and humans by the bite of infected fleas, direct contact with infected tissues, and inhalation of .

Bubonic plague symptoms and signs include painful and enlarged or swollen lymph nodes (an enlarged lymph node due to plague is called a bubo), chills, headache, fever, and weakness. Septicemic plague (Black Death or black plague) symptoms and signs include fever, weakness, abdominal pain, .

The Black Death was an epidemic of bubonic plague, a disease caused by the bacterium Yersinia pestis that circulates among wild rodents where they live in great numbers and density.

Such an area is called a ‘plague focus’ or a ‘plague reservoir’.

The bubonic plague
The Black Death: Bubonic Plague