Discussion session 8 97-2003 version

Discussion session 8 97-2003 version - outcome/damage...

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Discussion session 8: Treponema pallidum and Syphilis-bacterial STD 1. What are the modes of transmission for Syphilis? 2. What is Treponema pallidum? What is the morphology? How do you visualize the  organism? 3. Describe the 3 stages of Syphilis. What are the key characteristics in each case? 4. Describe the two step method of diagnosing Syphilis (screening tests and confirmatory  tests). Shigella, Salmonella,E.coli 1. What are the two types of diarrhea? 2. What is the mode of entry for Shigella? What are the virulence factors of Shigella that  aid in entry? 3. Describe the steps in entry, multiplication & spread of Shigella infection. What is the 
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Unformatted text preview: outcome/damage caused by Shigella infection? 4. What does the Shiga toxin do? 5. Describe the methods used for diagnosis & treatment of Shigella infection. 6. What is the basis of distinction used to distinguish the serotypes in Salmonella? 7. What is the mode of transmission of Salmonella? What is the mode of entry of Salmonella? 8. What are the steps in invasion of intestinal mucosa by Salmonella (figure)? 9. What are the treatment options for Salmonella? 10. Describe the virulence factors of ETEC, EIEC and EHEC....
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