Norovirus outbreak on Caribbean cruise ship leaves 100 passengers sick. The common symptoms are vomiting and diarrhea. What is norovirus and how is it different from hantavirus? Find out here.

Add Yahoo as a preferred source to see more of our stories on Google. Hundreds of people onboard the Ruby Princess cruise ship fell ill, per the CDC.James D. Morgan/Getty Images More than 300 people ...

Their main symptoms were vomiting and diarrhea, the CDC said.

India, May 10 -- A norovirus outbreak has swept through the Caribbean Princess cruise ship mid-voyage, leaving more than 100 passengers and crew members ill and triggering a full federal investigation ...