U.S. health officials said 224 passengers and 17 crew on board the Cunard cruise ship Queen Mary 2 caught norovirus during a voyage that's still ongoing.

A norovirus outbreak aboard a luxury cruise ship has struck passengers and crew members hard, with more than 240 people falling sick on the Cunard Line’s Queen Mary 2. The Centers for Disease Control (CDC) said in an outbreak report that 224 of the ship’s 2,538 passengers have fallen ill from the virus, as well as an additional 17 staff members.