I think it is more like 14-20 days but yes, if everyone stays in their homes it will stop spreading.
The (Chinese ancestry) author of “The Coming Collapse of China” was on Fox News last night. He has a lot of personal contacts within China right now.
He said based on the chaos and mishandling of this epidemic in its early stages, he doesn’t expect this epidemic to end in China before April or May. I hope he’s wrong.