Even after more than 100 passengers and crewmembers fell sick during a norovirus outbreak aboard the Caribbean Princess cruise ship, passenger Jan van Milligen said life on board still felt surprisingly normal. “The normal atmosphere is still here,” van Milligen, who has spent the last 21 days aboard the ship with relatives and friends from South Africa, told NBC News on Saturday. “We went to a show last night, had dinner and breakfast this morning.” The outbreak sickened 102 of the ship’s 3,116 passengers and 13 crewmembers, according to the Centers for Disease Control and Prevention. The predominant symptoms were vomiting and diarrhea, and the agency cited norovirus as the cause. The CDC said the outbreak was reported Thursday during the ship’s April 28 to May 11 voyage through the Caribbean. As of Saturday afternoon, the vessel was located north of the Dominican Republic en route to Nassau in the Bahamas, according to CruiseMapper .…