Plague - acute natural focal infectious disease characterized by severe intoxication, fever, skin lesions, lymph nodes, lungs, and the ability to take over the septic. Refers to a particularly dangerous infections. Pathogen - the plague bacillus (Yersinia pestis) belongs to the genus of the family Brucellaceae; its size of 0.5-1.5 microns, fixed, does not form spores and capsules, a Gram-negative, rod ends are painted a much more intense the middle of the (bipolar). Good growing, but slowly on nutrient media, the optimum growth of 28 °. Facultative intracellular pathogen is a parasite. Its high virulence is mediated by V and W-antigens that are resistant microorganism intracellular phagocytic destruction. Moreover... If you get more information, visit our site: BEST ESSAY CHEAP
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