Which of the following explains why immunity to influenza may appear to be relatively short-lived?
a. Effective immunological memory fails to develop.
b. Immune responses to influenza involve innate immune mechanisms only.
c. The primary and secondary immune responses are equivalent.
d. Influenza virus targets memory cells.
e. New influenza variants able to escape previous immunity appear regularly.
E
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A) Albinism B) Galactosemia C) Sickle cell anemia D) Tay-Sachs
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What will be an ideal response?
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