Something like this is probably one of the few things that could sink Carnival and some of the other cruise lines.
https://mobile.abc.net.au/news/2020-04-05/ruby-princess-cruise-coronavirus-deaths-investigated-nsw-police/12123212?fbclid=IwAR1Y9zXexrZHEfbJq1C8gRm9Jh9YEcVgF7Y5pJitNUcFDeXmB_A1LYEjTpM