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7 lip 2022 · Plague is caused by the bacteria Yersinia pestis, a zoonotic bacteria usually found in small mammals and their fleas. People infected with Y. pestis often develop symptoms after an incubation period of one to seven days. There are two main clinical forms of plague infection: bubonic and pneumonic.
The bubonic plague is an infection of the lymphatic system, usually resulting from the bite of an infected flea, Xenopsylla cheopis (the Oriental rat flea). [14] Several flea species carried the bubonic plague, such as Pulex irritans (the human flea), Xenopsylla cheopis, and Ceratophyllus fasciatus. [14]
People infected with plague usually develop influenza-like symptoms after an incubation period of 3–7 days. Symptoms include fever, chills, aches, weakness, vomiting and nausea. There are 3 main forms of plague. Bubonic plague is the most common and is caused by the bite of an infected flea.
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Bubonic plague becomes evident three to eight days after the infection. Initial symptoms are chills, fever, diarrhea, headaches, and the swelling of the infected lymph nodes as the bacteria replicate there. If untreated, the rate of mortality for bubonic plague is 50-90 percent (Hoffman 1980).
28 mar 2008 · Bubonic plague epidemics occurred when Yersinia pestis, a rodent disease, was communicated to humans through the bite of infected fleas. Humans have exceedingly poor immune defenses to this organism, and within 6 days of infection most victims develop a grossly swollen lymph node, a bubo, signifying the body’s attempt to contain and arrest ...
The incubation period of bubonic plague, i.e. the time between getting infected and the first symptoms appearing, is one to seven days. The symptoms of bubonic plague occur very suddenly. The general symptoms include: fatigue; headache; vomiting; high temperature, fever; chills; impaired consciousness; liver and spleen enlargement
