The decision to quarantine some 3,700 people on board the Diamond Princess cruise ship in Japan amid an outbreak of coronavirus is unprecedented. But experts say it's also likely doing more harm ...

Some information may no longer be current. Visitors walk past the quarantined Diamond Princess cruise ship Sunday, Feb. 16, 2020, in Yokohama, near Tokyo.

The Diamond Princess cruise ship is seen anchored at a port in Yokohama, Japan, in this file photo from Feb. 21, 2020. The vessel became one of the earliest hotbeds for coronavirus infections when ...

The last group of about 130 crew members got off the Diamond Princess on Sunday, vacating the contaminated cruise ship and ending Japan ‘s much criticized quarantine that left more than one ...

Passengers stand on the balcony of the quarantined Diamond Princess cruise ship anchored at a port in Yokohama, near Tokyo, Friday, Feb. 21, 2020.