It was detected in European samples (Spain, Italy) collected as early as March 2019 and is likely to have been spreading around the US by that point already.
https://www.reuters.com/article/us-health-coronavirus-spain-...
-4 karma · joined February 26, 2023
https://www.reuters.com/article/us-health-coronavirus-spain-...
Wasn't the previous news claim specifically that somebody in Wuhan ate a bat or pangolin? Until it was made public that the US was involved in funding the research.
It may be unlikely but there have been many instances where the US population becomes a victim of its own government's covert actions. The quality of response doesn't neccessarily prove anything.