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The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] The disease is caused by the bacterium Yersinia pestis and spread by fleas and through the air.
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]
The first plague vaccine was developed by bacteriologist Waldemar Haffkine in 1897. [3] [4] He tested the vaccine on himself to prove that the vaccine was safe.[4] [5] Later, Haffkine conducted a massive inoculation program in British India, and it is estimated that 26 million doses of Haffkine's anti-plague vaccine were sent out from Bombay between 1897 and 1925, reducing the plague mortality ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 December 2024. 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 Black Death first originated in Kyrgyzstan, in central Asia, in the late 1330s, spreading rapidly to devastate the Middle East and Europe.
Copper engraving of a plague doctor of 17th-century Rome. A plague doctor was a physician who treated victims of bubonic plague [1] during epidemics in 17th-century Europe. These physicians were hired by cities to treat infected patients regardless of income, especially the poor, who could not afford to pay. [2] [3]
Treatment of pneumonic plague consists of antibiotics. [1] Plague is present among rodents in Africa, the Americas, and Asia. [3] Pneumonic plague is more serious and less common than bubonic plague. [1] The total reported number of cases of all types of plague in 2013 was 783. [2] Left untreated, pneumonic plague is almost always fatal. [5]
People with bubonic plague usually develop symptoms two to eight days after they're bitten by an infected flea or come in contact with an infected animal. The most common sign of bubonic plague is ...