Multiple Choice
Based on what you know about resistance to infection, what must be unique about people who are resistant to HIV?
A) They have a strong immune system that clears the virus completely.
B) They have been immunized in an experimental program.
C) They can't be infected with HIV even when exposed.
D) They never engage in risky behavior and thus can't become infected.
Correct Answer:
Verified
Correct Answer:
Verified
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