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Why is it not possible to give someone infected with hepatitis B the hepatitis B vaccine to prevent chronic hepatitis b infection?

17 upvotes

9 upvotes

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is it not possible to give someone infected with hepatitis B the hepatitis B vaccine to prevent chronic hepatitis b infection?	17
How does the immune system transfer immunity from one virus to a related virus?	9