Trump tried to warn everyone long ago ?
Jan. 22: “We have it totally under control. It’s one person coming in from China. We have it under control. It’s going to be just fine.” — Trump in a CNBC interview.
https://www.factcheck.org/2020/03/trumps-statements-about-the-coronavirus/
There are about 15 more examples of him downplaying the seriousness of it over the next two months on that link.