Ahmad 
The “Noro” virus spread on two U.S. cruise ships, with reports of passengers suffering from severe symptoms of the virus, which included diarrhea and vomiting.
The Centers for Disease Control and Prevention is investigating why the virus spread on both ships.
Cases of the virus were recorded on board the “Radiance of the Sea” during its voyage from Tampa to Los Angeles between April 8 and 22, with some 67 of the 1,993 passengers reporting symptoms of diarrhea and vomiting, as well as two crew members.
Nearly 94 of the 2,532 passengers on board the “Sapphire Princess” and 20 of the 1,066 crew members reported similar symptoms during its voyage from Los Angeles to the South Pacific, which began on April 5 and is scheduled to end on May 7.
“Noro” virus is highly contagious and is often transmitted through contaminated food, contaminated water, or surfaces, and can also be transmitted through close contact with infected people.
America is facing large outbreaks of this virus, with data released by US centers active in disease control revealing that “in the week ending February 17, more than 12% of the virus tests came back positive.”
“Cases are particularly high in the northeast of the country, where more than 13% of tests have come back positive,” the data noted.
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