A member asked:

If a child has measles, can his immune parent "carry" the virus and unintentionally infect other susceptible children?

A doctor has provided 1 answer

No: Viral carriage is not likely in an immune host. In order for a virus to survive it must be able to invade its host's cells, and pre-existing immunity should prevent this from occurring.

Answered 12/14/2014

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