Earlier this week, we reported that health officials banned the Norwegian Gem from calling on St. Maarten because a number of passengers were ill with a gastrointestinal illness. The NCL cruise ship then sailed on to Tortola where it called on the port there.
The Centers for Disease Control and Prevention (CDC) is now officially reporting that 128 of 2,882 cruise passengers (4.44%) and 7 of 1,100 of crew members (0.64%) on the Gem have been ill during the cruise with norovirus.
Although it was suggested on the cruise ship that the cause of the outbreak may be contaminated water, there has been no information released to the public confirming or excluding this possible cause. Norovirus is primarily a food-borne disease. Outbreak News Today correctly states that "norovirus is typically spread through contaminated food and water, touching surfaces or objects contaminated with norovirus and then putting your hand or fingers in your mouth and close contact with someone who is vomiting or has diarrhea."
Unfortunately, the CDC has limited resources and does not attempt to conduct an epidemiology assessment regarding the source of the norovirus outbreak.
Photo credit: Corgi5623 at English Wikipedia, CC BY-SA 3.0.