We have enough sources it seems and it doesn't seem so complicated. And we also have 3 outbreaks that have been predicted with it, should be easy to manage to see how.
They do seem to target a place as well, he said "southern China" apperently, and while it started there at that time, if someone provided same time period and said Europe for example they would be way off. But after the rest is working shouldn't be difficult to figure out how they pointed it to a place.