Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Cruise Ship Returns to Singapore After Coronavirus Case Discovered VOA News A Royal Caribbean cruise ship returned to port in Singapore Wednesday, cutting short a four-day cruise after a passenger was diagnosed with the coronavirus. In a statement, Royal Caribbean said a guest on the Quantum of the Seas ship "tested positive for coronavirus after checking in with our medical team." The cruise line said they had identified the guest and isolated the passengers and crew who had been in contact with him. They said each of those individuals had since tested negative. .