Sea Sickness: Despite cleaner cruises, diarrhea outbreaks persist

Cruise ships are cleaner than they used to be, but their standard sanitation practices don’t reliably wipe out the viruses behind a recent wave of diarrheal outbreaks, according to new reports from the Centers for Disease Control and Prevention (CDC) in Atlanta. Halting viral epidemics on ships may require unusually rigorous measures, such as docking stricken vessels for extreme scrub downs.