I think Uni's will be open to start with, but possibility of first term to be taught on line. If the vaccine proves successful (and ive read somewhere that the trails will continue until August), by the time they are in production it will be around christmas time roughly, and even then make the best part of 66 million just for the uk. Southampton uni are also testing on an nasal spray to help reduce the symptoms should you get it.
To keep the economy going and everything else, you need businesses running, and schools and uni's and health centres and dentists etc open.
But in order to do that, in the short term there is going to be some social disruption. Whether that's actually wearing a mask (after all the government are now changing their tune on this one and its effectiveness), still social distance, have a mixture of lectures/on line lectures so students get to go but be socially distanced apart. Allow so many in the library. Staggered times for labs. People having more on line meetings instead of face to face tutorials/seminars. Workers having to work a certain distance apart, staggered hours etc etc, the list goes on.
Something will need to be done before the economy crashes and the world needs to keep turning, so I do think they will be open, but possibility of first term on line. I also think as well, people are not daft either. Even with lowdown lifted slightly, people will be cautious and still social distance in a way until the vaccine is established.