Imported by a bot from birdsite
Chinese authorities knew about it from the previous outbreaks of wildlife-related viruses but they did little to prevent it.
It's a large business over there with a lot of Party members involved, to the extent that they managed to lobby WHO to recognize Traditional Chinese Medicine as, well, part of medicine (which it isn't).
Hopefully giant losses from the current outbreak will give them to stimulus to end this once and for all.