15 month DC goes to childminder with 2 others one same age and one 10 months. I’m good friends with the other 15 month olds DM. Gets a txt from her Tues morning saying her DC won’t be in as had D&V through night is my DC ok could they have picked it up their. Said no my DC fine but my DC doesn’t do Fridays or Mondays.
She was winging about having a busy week at work and hoped her DC was ok tomorrow. I said oh hopefully but you won’t be able to take them back until 48 hrs after their last vomit or loose nappy.
Cut to Weds and when I drop off my DC I’m surprised to see hers their too. I remarked to CM about my surprise who said oh it’s been so long since she was last sick it should be ok 
. Text friend who said oh yes well CM said as she hadn’t been sick since the early hrs of Tues she could go back. I think she was still being sick at 7am so not early hrs!!
Fast forward to Friday morning and my DC wakes up covered in sick bad nappies etc. Flaming great!! In all fairness he was fine by Friday lunchtime. But then yesterday me and DH started with it and it has floored us. Clearly Noro. I’m absolutely furious! I really feel like I should say something to CM she’s been doing it 30 odd years, she knows the score!! And the 48 hour rule! But DH says we don’t know what the other Mum has said!!! How should I play it with CM, I can’t not say anything can I?!?