Micro 04-21-08 - Whitney Barter Ch 22 R 1 5 6 8 11 14 MC 1...

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Whitney Barter Ch. 22 – R 1, 5, 6, 8, 11, 14; MC 1, 2, 6 4/21/08 1. Differentiate meningitis from encephalitis. Infection of the meninges is meningitis. Infection of the brain is encephalitis. 5. Compare and contrast the Salk and Sabin vaccines with respect to composition, advantages, and disadvantages. Salk Vaccine – Is an inactivated polio vaccine (IPV) that involves the injection of formalin inactivated viruses and boosters every few years. Has an almost 90% prevention rate against paralytic polio. Sabin Vaccine – Is an oral polio vaccine (OPV) that contains three live attenuated strains of polio virus and is administered orally. It is less expensive to administer. The immunity achieved with the OPV resembles that acquired by natural infection and the virus is excreted. One disadvantage is that on rare occasions one of the attenuated strains of the excreted virus and revert to virulence and transmit the disease to a secondary person. 6.
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This note was uploaded on 05/05/2008 for the course BIOL 357 taught by Professor Kalia during the Spring '08 term at University of Louisville.

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Micro 04-21-08 - Whitney Barter Ch 22 R 1 5 6 8 11 14 MC 1...

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