Multiple Choice
What happens to a virus that manages to cross the blood-brain barrier and enter the brain?
A) It is quickly destroyed by natural killer cells.
B) It gets trapped in a neuron, and then both are destroyed by natural killer cells.
C) It gets trapped in a glial cell, and then both are destroyed by natural killer cells.
D) It remains there and may cause negative effects several years later.
Correct Answer:

Verified
Correct Answer:
Verified
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