Science Pop Quiz

How is the common cold virus able to infect a victim twice?
Choose the right answer:
Option A It replicates faster than any other virus
Option B The virus can defend itself against a white blood cell's antibodies
Option C The first infection alters the 'information' stored in the bone marrow
Option D It changes its protein manteau and becomes 'undetectable' to white blood cells
 Crazyromeo10 posted il y a plus d’un an
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