Coronavirus Cruise Passengers Face Infection Worries, Blown Travel Plans and Boredom

TOKYO—As the 116,000-ton cruise liner Diamond Princess started chugging toward Yokohama earlier this week, passengers savored the last few days of an Asian journey at buffet restaurants, theaters and the ship’s nightclub, which is called Skywalkers.

Then came the two-week lockdown.

An 80-year-old man who left the vessel in Hong Kong earlier…