9. Cunard Line
Cunard Line boasts three luxury cruise liners in its fleet including the Queen Mary 2, Queen Elizabeth and the Queen Victoria. The company’s transatlantic voyage is a popular choice among cruisers. Since 2011, only 4 cases of gastrointestinal illness have been reported aboard Cunard’s ships and an estimated 400 passengers were affected by an outbreak. Cunard reported one outbreak per year from 2011-2014, but there weren’t any waves of illness recorded in 2015.
