Logically it's not over and business as "usual" until the infection is stable and controlled through the world. There's lots of comparable nasties out there, but we live with them because most of the time, enough people have immunity for them not to cause widespread disruption en-masse.
China can't get completely back to normal on an international level while it is still problematic in other countries.
The problem won't go away with a month of lockdown, too many people are still left too vulnerable to any incoming source, mutation or recurrence of the virus. We seem to be aiming at a longer but more managable period of restrictions, while keeping what we can of economic activity functioning.
By the summer we should have more information about the virus, but I can't see life fully back to normal, certainly for sectors like the travel industry. I'm not sure on mass events like sports/ concerts either.