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May 9, 2024 · Yersinia pestis, bacterium in the family Yersiniaceae (order Enterobacterales) that causes plague. Yersinia pestis is classified as a Gram-negative coccobacillus, being spherical to cylindrical in shape and having a thin peptidoglycan cell wall surrounded by an outer lipopolysaccharide membrane.
Apr 20, 2023 · Plague is a serious illness caused by a germ called Yersinia pestis. The germs mostly live in small rodents and their fleas. The most common way for humans to get plague is a flea bite. Plague is a rare disease. The illness mostly occurs in only a few countries around the world.
Dec 9, 2020 · The Gram-negative bacterium Yersinia pestis is responsible for deadly plague, a zoonotic disease established in stable foci in the Americas, Africa, and Eurasia. Its persistence in the environment relies on the subtle balance between Y. pestis -contaminated soils, burrowing and nonburrowing mammals exhibiting variable degrees of plague ...
Overview. More. Plague is an infectious disease caused by Yersinia pestis bacteria, usually found in small mammals and their fleas. The disease is transmitted between animals via their fleas and, as it is a zoonotic bacterium, it can also transmit from animals to humans.
Apr 3, 2019 · Plague is a vector-borne disease caused by Yersinia pestis. Transmitted by fleas from rodent reservoirs, Y. pestis emerged <6000 years ago from an enteric bacterial ancestor through events...
Yersinia (formerly Pasteurella) pestis is a short bacillus that often shows bipolar staining (especially with Giemsa stain) and may resemble a safety pin. Massive human epidemics (eg, the Black Death of the Middle Ages, an epidemic in Manchuria in 1911) have occurred. More recently, plague has occurred sporadically or in limited outbreaks.
Apr 20, 2023 · Treatment will likely start while your provider waits for the results of one or more laboratory tests to identify the Yersinia pestis bacteria. Samples for tests may come from: Fluid from buboes. Blood. Mucous from the lungs. Fluid surrounding the brain and spinal cord.
