CDC reports gastrointestinal outbreak on Seven Seas Mariner cruise ship

The U.S. Centers for Disease Control and Prevention (CDC) is investigating an outbreak of gastrointestinal illness that occurred on a luxury cruise ship.

The outbreak occurred during the cruise of the Regent Seven Seas Cruises ship from January 11 to February 1.

According to CDC data, 27 people fell ill, including 21 passengers and 6 crew members.

CDC REPORTS THAT THE FIRST CRISIS NOROVIRUS OUTBREAK THIS YEAR INFECTED ABOUT 90 PEOPLE

The cruise line reported illnesses during the cruise to the CDC, and the agency listed the cause of the outbreak as unknown.

The outbreak was reported on the cruise ship Seven Seas Mariner.

The ship left Miami and headed for Honolulu.

The company had port visits planned to Costa Rica, Guatemala, Mexico and other destinations, according to CruiseMapper.

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There were a total of 631 passengers on board at the time.

The cruise line took multiple steps to limit the spread of the disease on the ship, the CDC said.

The ship was carrying 631 passengers when the outbreak occurred. (Gerard Bottino/SOPA Images/LightRocket/Getty Images)

These measures included increasing cleaning and disinfection procedures and isolating passengers and crew members reporting symptoms. The cruise line also followed the agency’s outbreak response and sanitation protocols, the CDC said.

The CDC asked travelers reporting symptoms to provide stool samples so health officials could test for the possible cause of the outbreak.

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Lab tests are still pending, the agency said.

Fox News Digital has reached out to Regent Seven Seas Cruises for comment.

Federal health officials said it may take time to determine the source of the outbreak. Norovirus is often associated with gastrointestinal illnesses on cruise ships. But the virus is not always confirmed immediately.

Laboratory tests are still ongoing to determine the cause of the disease. (e.g. Raedle/Getty Images)

The CDC recommends frequent hand washing as an important step in reducing the risk of gastrointestinal illness.

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Fox News Digital previously reported the first confirmed norovirus outbreak in 2026.

This outbreak occurred on a Holland America Line ship and caused approximately 90 passengers and crew members to become ill during the voyage, which lasted from December 28 to January 9.

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Fox News Digital’s Ashley DiMella contributed reporting.