The CDC is investigating a norovirus outbreak aboard Princess Cruises' Ruby Princess after more than 120 passengers and crew members

San Francisco welcomed the Ruby Princess to port this week under routine conditions. The vessel, operated by Princess Cruises, carried more than three thousand passengers and a full crew complement. Health officials later confirmed a cluster of gastrointestinal illness among those on board.

A passenger on an ill-fated cruise ship that docked in San Francisco after an outbreak of the highly contagious norovirus described the vessel “a floating Petri dish.” Peter Korer, 60, a veteran cruiser from Las Vegas,

The Princess Cruises ship Ruby Princess docked yesterday in San Francisco, having reported 102 passengers and 23 crew members with symptoms of vomiting and diarrhea

A total of 125 people, including passengers and crew members, have been infected following a norovirus outbreak on the cruise ship Ruby Princess, which docked off the coast of San Francisco