The Centers for Disease Control and Prevention (CDC) updated its global travel alert for polio, warning Americans against the spread of the disease.

Over 140 aboard a Royal Caribbean International cruise ship were sickened by a gastrointestinal illness that led to vomiting and diarrhea.

Travellers planning to set sail this season can rest a little easier—cruise ships aren't the norovirus breeding grounds they're often made out to be.

For Americans planning cruise ship vacations this spring or summer, there could be reason to worry about more than rough seas, experts say.

Whether the upcoming norovirus season will surge early again this year may be anyone’s guess. But, scientists say there’s a new strain to worry about (Getty Images for NYCWFF) ...

The CDC advises people with norovirus symptoms to wash their hands often for at least 20 seconds with soap and water. Hand sanitizers are not effective against norovirus.

Between Aug. 1 and April 9, more than 2,400 suspected or confirmed norovirus outbreaks were reported to a CDC monitoring system, roughly double for the same period a year earlier.

Between Aug. 1 and April 9, more than 2,400 suspected or confirmed norovirus outbreaks were reported to a CDC monitoring system, roughly double for the same period a year earlier.