exactly! it's sort of infuriating watching the USA try to flip the narrative and blame the chinese. by january, the possibility for widespread pandemic was well known.
But if by "nothing" you mean they didn't "stock up supplies, produce ventilators, an impose social distancing", then, obviously they were not going to do anything, there wasn't enough data (that's what Dr Birx and Dr Fauci from the coronavirus task force keep talking about ALL the time: data) to begin with so there was no reason to "do something" since nothing was happening in the US, at least according to the CDC and Health Department who seem to be hungry for more and more data.