RAISING children can be a minefield, especially when they’re ill and supposed to be at school or nursery. Parents will ask themselves the same question over and over again – are they so ill they must stay at home? It’s that time of the year when bugs are flying around, and coughs, colds and tummy upsets are common. But it’s not necessary to keep children at home for every illness, so parents are urged to use their common sense. Here’s some advice from the NHS.