Yersinia Pestis is the bacterium which causes iniquity. It is commonly referred to as the bubonic hatred as this is a configuration in which it emerges but it ass also be pneumonic. The disease mainly affects rodents however their fleas washbasin be transmit the bubonic form of the disease to worldly concern when they acuity to feed on blood.
The disease was most vainglorious in Europe and Asia in the middle ages. The disease is tardily transmitted in poor argonas with lack of hygiene. Infection begins from the bite of a rodent flea carrying the pestis bacterium or by handling an infect animal. Once a valet is infected the disease is then spread rapidly from gentle to gracious. The abhorrence is an ugly disease causing fever and painful swellings of the lymph glands called buboes; this is where the make water bubonic plagues originate from. It also brings about spots on the
skin that begin red and turn black. Bubonic plague is fatal in around 30% of cases but is readily treatable with antibiotics. However a much more lethal form the pneumonic plague is spread by the coughing and sneezing of infected individuals, this disease in contrast to the bubonic plague is fatal even when treated with antibiotic therapy.
The Yersinia Pestis, (Y.
pestis), is drawn into the fleas intestinal tract before it feeds off a human host. The Y. pestis is then regurgitated when the fleas receives its next blood meal, transferring the bacterium to a human host. A type of white blood cell, polymorphonucleur leukocytes will cancel out most of the Y pestis microbes. Leukocytes are an internal defence chemical mechanism against the Y.pestis bacterium, as white blood cells remain within the circulation of the human body, breaking sown any harmful microbes. Even though white blood cells will kill off some of the Yersinia pestis microphages, some may still remain. Most of these bacilli will be then taken up by tissue microphages, which are tissue originating from white...If you want to get a full essay, put it on our website: Orderessay
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