NickNacky, I think it's crazy to consider opening schools yet, but that doesn't mean to wait until a (possible) vaccine being released (if they ever get one). Wait until the death toll has reduced much further, until we know the effects of other sectors returning to work, that an anti-gen is widely available and that track and trace is workable.
To fart about opening some schools in England (but not Scotland, Wales or N.I) for some children in some year groups is ridiculous. There won't be any meaningful teaching going on and it's not hugely useful even for childcare with limited hours or if you have children in other year groups.
It has NOT been proven to be safe for children OR staff, and more people are going to die from this action, and it will have been entirely avoidable.