I am going to take my one along tomorrow I think. I won't go tonight as have had too many late nights there with one twin or t'other... buggie I think it was boytwin I was in with when we "met"? I don't know what else BUT a UTI would give lowgrade fever with the occasional spike, and occasional vomit, complaints his tummy hurts... over a couple of weeks. I feel a bit guilty I haven't managed to get the wee but with two toddlers, a new baby and just a tiny sample bottle from the GP it's rather difficult. I might sneak in after he's asleep and try putting a little plastic bag round his willy inside his nappy. It wouldn't give a sample that could be cultured, but it could be dpped I think for white cells, blood etc?