ItsKokonoe

I've come to enlist your help please! I'm in search for the title of an anime I had seen quite some time ago. I believe the general premise of it was a viral outbreak? The details that I remember are very muddled or possibly even distorted. From what I do remember, there was a lavish hotel/resort type thing and they hired entertainers to keep the guests busy? There is also a scene I remember very well which was rather graphic. Guests "departing" the place were put on a train, and at the end of the ride, the train basically lifts up and dumps the people out into a garbage disposal (to keep from spreading the disease or whatever it might be). This is all I happen to remember for the most part but if you could help, that'd be amazing!