I know this has been done I have seen a couple of threads (so I'm so sorry to add another) and I know a pcr is the only way forward but before I do book one should I expect these to be negatives? Dd has been poorly this week on and off she's been sick once, chesty cough, snotty and says she feel really hot but skin is cold. She's also slept more than she normally would, however she has had spurts of running around dressed as either elsa or a Halloween pirate 
she's done lft for 2 days all clear negatives she did one this morning which was a pink background that never cleared so I did another which looked negative but she was really poorly before bed so just did another which again had that background. I've added the amount of drops the instructions say I've done nothing different. I've kept them to see if the background clears but so far no joy. Anyone had these backgrounds and gone on to have a positive pcr, these are the nose ones and I've yet to get her to to the throat one for the pcr which is going to be a mission in itself.