He's in Yr 11, obviously an important year, we've just about kept a lid on his anxiety around GCSEs, now this has blown up and his health anxiety is off the scale. He is saying school is the worst place for him to be and I kind of agree. I also work in a school and it's virtually impossible to keep the children following good hygiene practise. I don't know how to reassure him. I can't, can I?