“I had a lot of sleep and medicine and feeling much better,” she added.
Kate spent Christmas apart from Derek due to coronavirus restrictions.
She continued: “I haven’t been able to see him since Christmas, we’re back into a situation of looking at strangers in masks.
“That’s the situation for everybody at the moment. It’s tough. When you’re someone like him, dealing with a consciousness problem and trying to emerge, I can’t help but fear it’s not helpful.
“There’s no end in sight to that. There’s no one to blame or be angry with. It’s tough.”