I know it won't help you at all this time, but in future when booking a holiday make sure you take out travel insurance immediately. I work in a Post Office and our travel insurance (which you can just buy over the counter for anyone up to the age of 74, over that age you need to ring up) is valid immediately. It covers all sorts of things that may occur before you go on holiday, for example falling ill with something that you didn't have before you took the insurance out, or a close family member falling ill. If you work it covers you if a colleague falls ill and you can't take your holiday because you need to cover for them. It also covers you from the minute you leave home until the minute you get back again, so not just whilst you're abroad. This travel insurance has won an award for best travel insurance for a few years running now.
Sorry I can't help with this particular dilemma, but I hope it all works out for you.