Because the Trump administration decided that along with a bunch of other offshore collaboration funding decided to pull the money (America First!). There's a Vincent Racaniello episode on Microbe TV that explained what happened there. I don't remember the episode but here's his channel:
https://www.youtube.com/c/VincentRacaniello/videos
I think if folks would listen more to virologists than the press they'd find out that it's incredibly difficult to engineer new viruses (that's actually in his coursework - also on his channel), but it's also incredibly difficult to create stable "gain of function" (for weaponising) which has been suggested as the source of SARS2 and that whole Wuhan conspiracy theory thing.