Obviously, I'm very disappointed that I won't be playing in Glasgow this week, but the doctor has told me that I need complete rest for at least seven days, and I have to respect that.I hoped that pulling out of Dubai when I did would give me enough time to recover, but this virus has hit me harder than any illness I've had before and I still feel terrible.Missing out on a home tie is tough for me, but more than anything I'm sorry for all the people making the journey who had hoped to see me play in the team. The support we get is always amazing, and I know people have to make sacrifices to give us that.But Davis Cup is a team game, and the fans still have a massive role to play.John has picked a young squad who all fought hard in the play-offs and proved how much they want to represent their country. If they can take that form and desire onto the match court in Braehead - in front of an amazing crowd - we have a good chance of winning the tie.