Thanks for this.
Just read it and the long term results are not in so not sure I would want to put him through that!!
Any way - Very sad day as decided to put Hades down due to his feline coronavirus and him not getting any better (2 weeks later and still a high temperature and losing weight) :(
The picture below was taken just before we took him to the vets - he is the kitten on the left:
https://hosting.photobucket.com/imag...080&fit=bounds