"It has also emerged more than 500 cases have been confirmed in prisons across China... Of those, 230 were in Wuhan’s women’s prison."

The Diamond Princess suggests that the 'lock-down' method is maybe not the way to go - seems like nearly everyone ends up getting it to some extent. Maybe that's the way it will play out worldwide eventually anyway but dispersal to medical facilities might be better - which is the solution they've belatedly gone for

So i'm afraid it's not gonna go well in a literal 'lock-down' situation like a prison.