Obama banned federal funding on gain of function.Trump never lifted that moratorium. One of the few things Obama did right.
That’s why they had to farm out GOF to Wuhan.
Gain of Function research was restored under Trump. You’d never know unless you verify it yourself. You could start somewhere like here:
https://www.nature.com/articles/d41586-017-08837-7
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(18)30006-9/fulltext