LONG BEACH (CBSLA) — A medical situation aboard the Carnival Panorama cruise ship Saturday morning forced passengers to stay on the ship, Carnival Cruise Line officials said.

Late Saturday night, the cruise line sent a statement that said the passenger tested negative for coronavirus.

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“Because of the late hour in receiving the results, the current guests will stay on board overnight and debark on Sunday morning,” the cruise line said in a statement.

The next Carnival Panorama cruise to the Mexican Riviera will now operate as a six-day cruise, departing on Sunday and those guests have also been notified, the cruise line said Saturday night.

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“We are determined not to leave,” Karen Murphy, a traveler said. “It’s my 50th wedding anniversary, and by God I’m going on that cruise. Fifty years with one man, come on!”

Passengers on that cruise will be offered a partial refund due to the reduced schedule. They will also be given the chance to cancel the trip.

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The ship arrived in Long Beach Saturday morning from a 7-day Mexican Riviera cruise.  A guest on Carnival Panorama was subsequently taken to a hospital in Long Beach, Calif. for evaluation and a COVID-19 test ordered by public health authorities out of an abundance of caution.