I’ve had 2 negative pcr’s but a positive lateral flow for 4 days. I’ve recorded this on the gov website which told me to record on the NHS app which I’ve just done. This is now flashing a red circle at me & telling me to isolate until 7th Nov. Is this official like the PCR notification? Or would it only become official if/when I get a positive pcr? I have ordered a home pcr test. Wondering if I should use this notification on the app for work purposes?