The right option is d. norovirus infection
Noroviruses are viruses that
cause gastroenteritis ; a condition that causes vomiting, fever and stomach
pain. Norovirus is highly contagious. It spreads through contaminated food or
water and through close contact with an infected person. Norovirus is the
common cause of epidemics of gastroenteritis on cruise ships and it is the most
common food-borne illness in the united states.
