I've been using the app for months because I liked the idea of helping with the research (I don't always remember to do it daily!) and the first thing you're asked is to select either 'I feel fine' or 'I don't feel entirely myself'. You're meant to be (obviously) absolutely honest and even if you think you just have a cold or something like that, you report how you're feeling. If you pick the option 'I don't feel entirely myself' then you're asked about several possible symptoms, your temperature, etc.
A few days ago I ticked boxes saying I felt a bit nauseous and dizzy. I think I'm having an IBS attack and possibly endometriosis too (bloating and constipation bringing on the nausea). The next day, the Zoe App people had emailed me, asking me to take a swab test because they were interested in tracking particular symptoms to see if they panned out into a positive diagnosis, even though they're clearly not among the three main symptoms we are told to watch for.
So I did - I ordered a swab test and have done this at home and posted off. Still waiting for results but I only posted it Friday afternoon.
What I'm wondering is - given that I have none of the 'classic' Covid symptoms and wouldn't have taken a test if I hadn't been asked to for research purposes, should I be isolating until I get the results back? Clearly if I had ordered a test because I was concerned about my symptoms, or if the symptoms I'd ticked in the Zoe app were the 'classic' ones, I'd be isolating - but I'm interested to know whether other people who have done a test because they were asked to for research purposes have isolated.
(No, I haven't been isolating, though I've also hardly been painting the town red either. It seemed fairly obvious at the time that this wasn't asked for. Now I'm wondering.)