19 what do the o k and h serotype designations refer

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19. What do the O, K and H serotype designations refer to? 20. What are the species of Enterobactericeae that are relevant pathogens for this course?
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21. How do we normally encounter the Enterobactericea that cause disease – what are the 7 Fs? 22. What are some general characteristics of E. coli ? 23. Describe the four different disease-- causing types of E. coli we discussed. How do they cause disease, how does the disease differ between each and why? 24. Why are antibiotics not given to patients suffering from diarrhea caused by E. coli ? 25. What are the general characteristics of Vibrionaceae ? 26. What is a consequence of the lack of Vibrio cholerae tolerance for acid? 27. What is the incubation period for cholera and how do people become infected? 28. How does cholera toxin affect intestinal cells? 29. What are the clinical manifestations of by Vibrio cholerae ? 30. What are the treatment and prevention strategies used to manage cholera? 31. Does natural immunity occur? 32. Why was the rise of a new strain that expresses a different 0 antigen a serious concern?
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Lecture 5 Guide 1. What are some of the general characteristics of Enterobactericeae ? (Gram positive, negative??) 2. What is a strain – is it the same as a serotype?
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