American authorities said 62 passengers, who are still on the Grand Princess, were on the same leg as the man who died and might have been in contact with him.
“For those guests who sailed with us on our previous voyage and may have been exposed, in an abundance of caution, the CDC requires you to remain in your stateroom until you have been contacted and cleared by our medical staff,” Princess Cruises told passengers.
The cruise liner left San Francisco for Hawaii on February 21, with the 21 symptomatic passengers and crew falling ill on the return leg to California. It was due to dock in San Francisco on Wednesday night but the crew was told to stay offshore by US authorities until the situation was assessed.
The CDC is flying coronavirus tests to the ship by helicopter before returning them to laboratories in California.