

Microorganisms and Disease - Medical Science
Q1: The influenza vaccine is administered each year becauseA mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines
B it is a polysaccharide vaccine that does not confer long-term protection
C the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time
D none of the above
ANS:A - mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines No answer description is available. |


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