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Taye is on a cruise with his family when he begins experiencing nausea, stomach cramps, and diarrhea. He sees the ship’s doctor, who tells Taye that he has been exposed to norovirus. Taye is also confined to his quarters until the ship’s doctor confirms that he no longer has norovirus. Which statement BEST explains this precaution?

A.
There is no telling which food Taye ate to give him the norovirus.

B.
Norovirus doesn’t only spread on food but also from person to person.

C.
Taye’s symptoms would be distressing for other passengers to see.

D.
The doctor suspects that Taye had the norovirus before boarding.