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asmi
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02/15/04 - 09:51 PM             #1

protection against influenza infection appears to depend on:

A. passive immunity mechanisms
B. macrophage activation
C. antigenic drift
D. stomach acids
E. production of interferon and secretory Ig A.

kiranmayi
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02/16/04 - 10:43 AM             #2

Ans E. production of interferon and secretory Ig A.

asmi
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02/16/04 - 11:21 AM             #3

CORRECT smiling face







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