The Celebrity Mercury cruise ship returned to port in Charleston South Carolina today with over 400 sick passengers.  The Centers for Disease Control (CDC) reports that 406 of the 1829 passengers (22.1%) have reported fever, vomiting, and/or diarrhea.

Unlike the last two cruises where the CDC determined that norovirus caused the outbreak, the CDC has not yet determined

Around 450 passengers and crew are sick with nausea, vomiting and diarrhea aboard Celebrity’s Mercury as the ill cruise ship completes its inaugural cruise to the Caribbean from the port of Charleston, South Carolina.  The cause of the illness is unknown.  The cruise ship will sail again from Charleston tomorrow, and many new passengers don’t want to