500 Passengers Are Now Sick on Royal Caribbean's Oasis of the Seas Cruise Ship

The world's largest cruise ship 'Oasis of the Seas' docks at Southampton on October 15, 2014 in Southampton, England. Matt Cardy Getty Images

The number of passengers hit with a gastrointestinal illness on a Royal Caribbean International cruise ship has increased to nearly 500, a day after the company said 277 passengers on the Oasis of the Seas had initially fallen ill.


More from FORTUNE