[Spooky23]

I agree all things being equal. But they're not. The delivery guy or mailman or building super could infect them too.

It's a hard problem that I struggle with personally. My parents are elderly and not in great health. I live in fear every day that the efforts of my family and their support network (visiting nurses, etc) to help them can kill them.

[WalterSear]

You are way more likely to get it from someone you know than a stranger. 80% of Wuhan infections were in 'familial clusters'.