Daughter worried about death

[HerRoyalWitchyness]

My DD is 7.
Back in May one of my best friends passed away very suddenly from a brain aneurysm. She was 29.

Since then my DD has been anxious and scared whenever I become unwell or need to go to hospital, which as someone with multiple disabilities is a lot.

I've reassured her that I don't plan on dying any time soon but she knows it's not a choice I get to make.

Does anyone have any idea of how to reassure her? Any book recommendations? Anything to make her less anxious.

Bump

It is a really difficult one as it is a rational feat, especially with you being unwell.

I am not usually one to recommend therapy but, given the situation, I think she could do with some professional help.

If you can afford it, I would look into it privately. If not, I would ask the school if they have any links or could recommend anything.

I definitely can't afford therapy (single mum, disabled)
I've spoken to school and their response was they'd discuss things as a class. No real signposting to any relevant support for her