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Source: Department of Health and Human Services Centers for Disease Control and Prevention

A Brief Look at…. Source: Department of Health and Human Services Centers for Disease Control and Prevention. Anthrax Bacillius anthracis. This image depicted numbers of Bacillus anthracis bacterial colonies, which had been allowed to grow on sheep’s blood agar (SBA) for a 24 hour period.

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Source: Department of Health and Human Services Centers for Disease Control and Prevention

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  1. A Brief Look at… Source: Department of Health and Human Services Centers for Disease Control and Prevention

  2. AnthraxBacilliusanthracis This image depicted numbers of Bacillus anthracis bacterial colonies, which had been allowed to grow on sheep’s blood agar (SBA) for a 24 hour period.

  3. AnthraxBacilliusanthracis Anthrax most commonly occurs in wild and domestic mammalian species (cattle, sheep, goats, camels, antelopes, and other herbivores), but it can also occur in humans when they are exposed to infected animals or to tissue from infected animals or when anthrax spores are used as a bioterrorist weapon.

  4. Anthrax as a weapon. • This happened in the United States in 2001. Anthrax was deliberately spread through the postal system by sending letters with powder containing anthrax. This caused 22 cases of anthrax infection. • http://www.bt.cdc.gov/agent/anthrax/needtoknow.asp

  5. BotulismClostridium botulinum These are Clostridium botulinum Type E colonies displaying an opaque zone grown on a 48hr egg yolk agar plate; Mag. 1.9X.

  6. CholeraVibriocholerae This Gram-stain depicts flagellated Vibrio comma bacteria, a strain of V. cholerae; the cause of Asiatic cholera. A person may get cholera by drinking water or eating food contaminated with the cholera bacterium, therefore, inadequate sewerage treatment can facilitate the spread of the disease during epidemics.

  7. CholeraVibriocholerae This scanning electron micrograph (SEM) depicted a number of Vibrio cholerae bacteria of the serogroup 01; Magnified 22371x.

  8. Ebola Hemorrhagic Fever(Ebola Virus) Depicted here in this 2007 photograph, was Centers for Disease Control microbiologist, and Special Pathogens Branch (SPB) staff member, Zachary Braden as he was in the process of counting viral plaques within fixed monolayers of cells, which had been set atop a light box. While inside the organization’s Biosafety Level 4 (BSL-4) laboratory, this activity was taking place so that Mr. Braden would be able to titrate a viral stock. Zachary was outfitted in an orange air-tight, self-contained, positively-pressurized suit, which kept him free of possible contamination.

  9. Ebola Hemorrhagic Fever(Ebola Virus) Created by CDC microbiologist Frederick A. Murphy, this colorized transmission electron micrograph (TEM) revealed some of the ultrastructural morphology displayed by an Ebola virus virion.

  10. (Ebola Virus) This 2007 image depicted Centers for Disease Control microbiologists Dr. Thomas Stevens, Jr., and Dr. Amy Hartman, as they were in the process of suiting up in order to access the interior of the organization’s Biosafety Level-4 (BSL-4) laboratory. Dr. Stevens was attaching his supportive air hose, which would provide a supply of filtered, breathable air, as well as maintain positive air pressure inside his air tight orange suit.

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