If you mean the new virus originating in China, currently it is believed to mainly be spread the same way as other corona
viruses such as the common cold, which is getting coughed on or coming in close contact with someone who is infected. Because it takes about 14 days, they think, for symptoms to show up, it is possible to get it from sex not because it's sexually transmitted but because the person you're having sex with has it and you're in close contact.