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Plague  Lesson 1
 General Overview

Clinical Syndromes

  • Plague is an acute and potentially fatal bacterial infection that affects humans and animals. It is caused by Y. pestis, a Gram-negative, bipolar-staining, pleomorphic coccobacillus.
  • Plague usually presents as one of five principal clinical syndromes:
    • Bubonic
    • Pneumonic
    • Septicemic
    • Plague meningitis
    • Pharyngeal
  • Descriptions of the characteristics of these different syndromes are provided on the following pages.
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Plague Bacteria in Blood

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Plague in Blood
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Page last reviewed February 12, 2007
Page last modified September 7, 2004

  • Content source: CDC Emergency Risk Communication Branch (ERCB), Division of Emergency Operations (DEO), National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
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