Health officials urge the public to take protective measures to prevent the spread of the virus.
More than 200 passengers stricken with the gastrointestinal illness.
This marks the fourth such outbreak aboard a cruise ship this year.
Health officials have confirmed a norovirus outbreak at the Hotel Sofitel in Redwood City, CA, a suburb of San Francisco.
Long-term care facilities function as both a healthcare facility and a home for their residents, meaning that the environment needs to be clean as well as disinfected.
Cleaning professionals need to take precautions to help control the spread of the influenza virus, norovirus and other pathogens in their facilities.
Although the symptoms of norovirus often mimic those of a cold or the flu, the potential hazards of the bug should not be taken lightly.