Black death in china 14th century
How did the mongols spread the black death
The bubonic plague history.
Bubonic plague
Human and animal disease
This article is about the disease. For information about the medieval plague, see Black Death.
Medical condition
Bubonic plague is one of three types of plague caused by the bacteriumYersinia pestis.[1] One to seven days after exposure to the bacteria, flu-like symptoms develop.[1] These symptoms include fever, headaches, and vomiting,[1] as well as swollen and painful lymph nodes occurring in the area closest to where the bacteria entered the skin.[2]Acral necrosis, the dark discoloration of skin, is another symptom.
Occasionally, swollen lymph nodes, known as "buboes", may break open.[1]
The three types of plague are the result of the route of infection: bubonic plague, septicemic plague, and pneumonic plague.[1] Bubonic plague is mainly spread by infected fleas from small animals.[1] It may also result from exposure to the body fluids from a dead plague-infecte
