articleRoyal Caribbean International is grappling with a norovirus outbreak that has sickened nearly 100 people aboard one of its ships so far. More than 90 passengers and four crew members aboard Royal Caribbean International’s Serenade of the Seas have reported being ill during the voyage, according to the CDC . The cruise reportedly alerted the CDC about the outbreak on Sept. 8, according to Fox 8 . ROYAL CARIBBEAN PASSENGER ACCUSED OF JUMPING OVERBOARD TO DODGE VACATION GAMBLING DEBTThe Serenade of the Seas left San Diego on Sept. 19 and is expected to arrive in Miami on Oct. 2. The norovirus cases on the Serenade of the Seas are the 19th cruise ship outbreak that the CDC has tracked this year.