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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. [51] By 1850, the population had exploded to over 7,000,000 people.
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 ...
Pneumonic plague is a very aggressive infection requiring early treatment, which must be given within 24 hours of first symptoms to reduce the risk of death. [7] Streptomycin , gentamicin , tetracyclines and chloramphenicol are all able to kill the causative bacterium.
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
Symptoms are high fevers and purple skin patches (purpura due to disseminated intravascular coagulation). [125] In cases of pneumonic and particularly septicemic plague, the progress of the disease is so rapid that there would often be no time for the development of the enlarged lymph nodes that were noted as buboes. [125]
Humans are most commonly exposed to plague from the bites of fleas carrying Yersinia pestis, the bacterium that causes the disease. Household pets can get also infected if they hunt rodents ...
Plague of 698–701 (part of first plague pandemic) 698–701 Byzantine Empire, West Asia, Syria, Mesopotamia: Bubonic plague: Unknown [47] 735–737 Japanese smallpox epidemic: 735–737 Japan Smallpox: 2 million (approx. 1 ⁄ 3 of Japanese population) [15] [48] Plague of 746–747 (part of first plague pandemic) 746–747 Byzantine Empire ...
What are the symptoms of bubonic plague? Symptoms of plague can include a sudden onset of fever, nausea, weakness, chills, muscle aches and swollen lymph nodes, Deschutes County health officials said.