I'm curious how they determined if inmates were asymptomatic. If it was just asking, the symptoms may be under reported. In prison, you try and appear invincible, your survival depends on it, so I could imagine many people saying they are asymptomatic when they are not.
The iOs hidden scrollbar is a pain. As a web developer, it caused issues because Safari will reflow the content when the scroll bars appear and disappear since the amount of space they take up changes.