Ds1 - 4yrs 3mo started school last week and immediately picked up a cold. He was a bit snotty yesterday and today but seemed fine in himself and wanted to go so I sent him in. This evening he looks terrible! Got that real hang dog expression, snot is really thick, headache and a rumbly cough. Can I keep him off tomorrow - as I am writing this I'm thinking 'he sounds really ill of course he should be at home' but it seems a bit lame not even completing the first full week at school.