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There are two main forms of plague infection: bubonic, which is caused by a flea bite or blood contact with another infected animal or material and is characterized by swollen lymph nodes or ...
A natural reservoir of plague is located in western Yunnan and is an ongoing health risk today. The third pandemic of plague originated in this area after a rapid influx of Han Chinese to exploit the demand for minerals, primarily copper, in the latter half of the 19th century. [50] By 1850, the population had exploded to over 7,000,000 people.
Mortality from bubonic plague today is between 1% and 10%, whereas septicemic plague may have mortality as high as 50% — and if untreated, it's over 90%. Fleas can spread other diseases too
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 ...
In 2014, results of a new DNA study of a tuberculosis genome reconstructed from remains in southern Peru suggest that human tuberculosis is less than 6,000 years old. Even if researchers theorise that humans first acquired it in Africa about 5,000 years ago, [1] there is evidence that the first tuberculosis infection happened about 9,000 years ...
Colorado health officials have confirmed a human case of the plague, the rare bacterial infection infamously known for killing tens of millions in 14th century Europe. Today, it's easily treated ...
The bubonic form of the plague has a mortality rate of thirty to seventy-five percent and symptoms include fever of 38–41 °C (101–105 °F), headaches, painful aching joints, nausea and vomiting, and a general feeling of malaise. The second most common form is the pneumonic plague and has symptoms that include fever, cough, and blood-tinged ...
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.