All of the following agents have polysaccharide capsule related antigen-antibody responses, EXCEPT:
Correct Answer: Bordetella Peusis
Description: Bordetella peusis is not an encapsulated organism. Encapsulated organism are: H influenza type B Pneumococci Meningococci The capsular polysaccharides of these organisms induce strong antigen antibody responses. Ref: Immunobiology of carbohydrates By Simon Y. C. Wong, 2003, Page 128; Harrison's Principle of Internal Medicine, 17th Edition, Pages 769-771; Infectious Diseases' (Lippincott Williams Wilkins), 3rd Edition, Page 737; Review of Medical Microbiology and Immunology By Levinson (LANGE), 9th Edition, Page 739
Category:
Microbiology
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