[tempestn]

And because China reacted with extreme measures, they got the virus under control, and are now starting to reduce the restrictions, and commerce is starting back up. It's nowhere near normal, but by reacting quickly and decisively you reduce the likelihood of longer lockdowns being required in the future (as well as the likelihood of significant loss of life).

This video gives a sense of the measures taken in cities outside of Wuhan: https://www.youtube.com/watch?v=YfsdJGj3-jM