Of all the calamities that befell tourists as the coronavirus took hold, those involving cruise ships stood apart. Contagion at sea inspired a special horror, as pleasure palaces turned into prison hulks, and rumours of infection on board spread between fetid cabins via WhatsApp. Trapped in close proximity to their fellow passengers, holidaymakers experienced the distress of being both victims and agents of infection, as a succession of ports refused them entry.
When it began, the deadly situation at sea was seen as a freakish outgrowth of what many still thought of as a Chinese problem. The first ship to suffer a major outbreak was the Diamond Princess. By mid-February, 355 cases had been confirmed aboard, and the ship was held being in quarantine in the port of Yokohama. At the time, the ship accounted for more than half of reported cases outside China. Fourteen passengers on the Diamond
