The Royal Caribbean 's Grandeur of the Seas was struck during back-to-back cruises ending Saturday . That wo n't stop it from setting off Saturday for a third cruise . Three outbreaks of illness affecting more than 100 people each have been reported aboard two cruise liners -- two of them in back-to-back cruises of the same ship -- according to the nation 's leading health protection agency . A fire broke out on board the ship in San Juan, Puerto Rico, early Friday and crews were able to put it out. It causes as many as 800 U.S. deaths per year , CDC says .
The Royal Caribbean 's Grandeur of the Seas was struck during back-to-back cruises ending Saturday . That wo n't stop it from setting off Saturday for a third cruise . A fire broke out on board the ship in San Juan, Puerto Rico, early Friday and crews were able to put it out. It causes as many as 800 U.S. deaths per year , CDC says .