The cruise line also made announcements to notify onboard passengers of the outbreak , encouraging hand hygiene and case reporting . 158 passengers and 14 crew members come down with norovirus . The CDC says the virus is not contagious to humans but can be spread through contaminated food or water from people who have been in contact with someone infected by it. U.S. health officials track it on cruise ships , leading to more frequent reporting .
158 passengers and 14 crew members come down with norovirus . The CDC says the virus is not contagious to humans but can be spread through contaminated food or water from people who have been in contact with someone infected by it. U.S. health officials track it on cruise ships , leading to more frequent reporting .