https://www.mercurynews.com/2020/03/21/coronavirus-how-long-will-the-bay-area-have-to-stay-home/

When Gov. Newsom announced that Californians across the state would join the Bay Area in an unprecedented statewide order to stay home to curb the deadly spread of the coronavirus, he failed to answer one of the most pressing questions on the minds of 40 million residents suddenly held hostage in their own homes: How long will this last?

Nobody knows yet — but it will probably be a while.