The Holland America cruise line says it’s working with governments and health experts to track passengers who disembarked from its Westerdam cruise ship after an American woman tested positive for coronavirus in Malaysia.

The cruise line, which is owned by Carnival Corp, said none of the other 1,454 passengers and 802 crew have reported any symptoms.

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“Guests who have already returned home will be contacted by their local health department and be provided with further information,” a statement from the company said.

Passengers had been cleared to travel by Cambodian authorities after health checks when the cruise ship docked on Thursday.

China says its control measures are working, as latest coronavirus figure show a rise in new cases. Credit: EPA

It had spent two weeks at sea after being turned away by Japan, Taiwan, Guam, the Philippines and Thailand.

But on Saturday, Malaysia said an American woman who arrived in Kuala Lumpur on Friday on a chartered flight had tested positive for the coronavirus.

The woman’s husband tested negative.

About 137 of the 145 passengers on the chartered flight had already left for other countries after showing no signs of illness, Malaysian authorities said.

Dozens more of the Westerdam passengers had flown through Thailand and onward to other countries, Thai officials said.

At least 236 passengers and 747 crew remain aboard the vessel off the Cambodian port city of Sihanoukville, Holland America said. Others were in hotels in Phnom Penh, the capital.