Catkins I only know you from this thread and I don't know what your job is.
From here it looks as though you're not ready to go back - is it something you have to do now for pay, or could you have more time?
As well as whatever you are coping with in your own head, you are supporting your husband.

I was in this place a few years ago and my GP was wonderful, I hope you have good support too. Please have as many virtual hugs as you want. (I'm double-vaccinated! )xx