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Title: The reason that vaccines against influenza must be administered annually, unlike vaccines against ... Post by: sarthaknitw on Jan 22, 2018 The reason that vaccines against influenza must be administered annually, unlike vaccines against measles, is _____.
a. the antigens that stimulate protection against influenza virus are inside the virion and not on the surface b. influenza is an RNA virus with a higher mutation rate c. influenza stimulates T-independent responses that fail to generate memory cells d. the polysaccharide antigens of influenza stimulate poor immune responses. Title: The reason that vaccines against influenza must be administered annually, unlike vaccines against ... Post by: heyou on Jan 22, 2018 Content hidden
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