I don't mean a cough or cold, I mean vomiting, diarrhoea or proper shivery, high temperature flu.
This happens to me so much with one particular family. I have requested very politely that they warn me in future, but they don't. I think they also now think I'm really precious and a bit mad for asking as I get the odd snarky comment when we visit. Just wondering if IABU (or precious and a bit mad).