I'd forgotten you are in Argentina.
I had forgotten you were in the UK... so we are even

Sounds like teachers over there have it more problematic with returning. Mentally my brother is not ready to return to the classroom with the virus issues in States.
I do think doctors now know much better how to combat the virus if infected, issue could evolve if cases keep spiraling that it overwhelms the heath care system and can no longer treat all the hospitalizations that are needed.
Stay safe!
Tim