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Bubonic plague is one of three types of plague caused by the bacterium Yersinia 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]
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 February 2025. Disease caused by Yersinia pestis bacterium This article is about the disease caused by Yersinia pestis. For other uses, see Plague. Medical condition Plague Yersinia pestis seen at 200× magnification with a fluorescent label. Specialty Infectious disease Symptoms Fever, weakness ...
The People's Republic of China has eradicated pneumonic plague from most parts of the country, but still reports occasional cases in remote western areas, where the disease is carried by rats and the marmots that live across the Himalayan plateau. Outbreaks can be caused when a person eats an infected marmot or comes into contact with fleas ...
Plague, one of the deadliest bacterial infections in human history, caused an estimated 50 million deaths in Europe during the Middle Ages when it was known as the Black Death.
The oldest known plague victims date back to around 5,000 years ago in Europe. Ancient DNA reveals the role the disease may have played in a mysterious population decline.
Where does plague occur in the U.S.? On average, the U.S. sees around seven cases of human plague each year, mostly in the rural West. Cases are typically concentrated in northern New Mexico ...
Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS: 44 million (as of 2025) – 1981–present [6] Worldwide 4 Black Death: Bubonic plague: 25–50 million 30–60% of European population [7] 1346–1353 Europe, Asia, and North Africa 5 COVID-19 ...
The septicemic plague was the least common of the three plague varieties that occurred during the Black Death from 1348 to 1350 [10] (the other two being bubonic plague and pneumonic plague). Like the others, septicemic plague spread from East Asia through trade routes on the Black Sea and down to the Mediterranean Sea. [citation needed]