Which of the following would help a virus avoid triggering an effective adaptive immune response? I) having frequent mutations in genes for surface proteins II) building the viral shell from host proteins III) producing proteins very similar to

those of other viruses IV) infecting and killing helper T cells A) only I and III
B) only I, II, and IV
C) only I, II, and III
D) only II, III, and IV


B

Biology & Microbiology

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