2 yo DD had 3 spots yesterday which I thought may be chicken pox. Took her to GP first thing today, who unhelpfully said they may be, but didnt look typical. A few more spots have appeared over the course of the day and I have asked a couple of friends who think it is, so it probably is CP. Her 4 yo brother hasnt had it, and isnt showing any spots / other signs. Should I assume that he will inevitably get it and is therefore contagious now, or can he continue to go to nursery as normal?? It seems daft to keep a perfectly healthy, active boy at home un-necessarily, but obv don't want to spread it around un-necessarily either!