The National Geographic Sea Bird cruise ship experienced its first outbreak of gastrointestinal (GI) illnesses in May. [1] A few weeks later, the Princess Cruises' "Ruby Princess" faced another outbreak during its second voyage. [2] Now, a third outbreak has hit the same vessel within two months. [3] According to an AOL report from July 15, nearly two dozen passengers and crew members have been affected by this latest outbreak on the National Geographic Sea Bird. [3]