After a week at home with a mild winter virus, probably caused by cycling in the rain on a cold day, I can confirm it is really boring.
I know I did not need to stay at home, but equally I did not need to go out, and would have hated any guilt if it had been anything serious. And in central London I could have been in contact with anyone.
I think the problem of doing anything too early is that people will get bored and complacent, and then such measures become less effective when really needed.
But there is a huge level of guesswork.
It is getting closer. The Bristol Tab has reports of someone in halls testing positive and DD says there is a second. She knows someone who is being tested.
DS' University in the US is closing a week early for spring break and will then operate remotely for at least 3 weeks.