Source? Bet it was in Wuhan well before that.
The Chinese Government Says Nov 17 in Wuhan for Patient Zero. The First acknowledged cases with Early December.
I don’t believe the Chinese government, so I would say it was Mid October in Wuhan at the Earliest. The Internet says Huang Yanling was a scientist who worked at the lab who “disappeared” in November.
The End of September in Lombardy makes Zero Sense. The “evidence” being used to prove a September infection of 4 people in Lombardy is sketchier than the Chinese government.