Thanks passing along a good suggestion. I did end up contacting the Biogen UK office and all they could tell me is that it is available and it just depends whether or not the NHS will cover me or not. They said it was a 50/50 chance. When I inquired deeper into what it would cost me to get avonex over there, there wasn't much information given other than "it depends."
So with that - has anyone had experience with receiving avonex in the UK...cost? NHS? availability to expats?