What? It was “their epidemic” but they did not beat it with or without vaccines. It by “beat it” you mean that they eradicated the virus. There is another outbreak there and of course they are locking people back into their homes.

https://amp.theguardian.com/world/2022/jan/09/chinese-city-of-tianjin-to-test-14-million-people-after-covid-outbreak