Glad you asked, @JonahDispatch. Thread:
Feb 2: CDC expanded enhanced entry screening to 8 major airports

Feb 4: FDA issued an emergency use authorization for the CDC diagnostic

Feb 5: Trump Admin officials briefed lawmakers on the Federal Govt’s coronavirus response efforts. https://t.co/V8eAKqBQVT

— Alyssa Farah Griffin (@Alyssafarah) May 4, 2020