Just happened to my son and his wife in Portugal. Due to fly back to London last Wednesday 7th so they go for their Antigen tests on Monday to return to the UK and both test positive. Off they go for a PCR later that day - 2 positive results returned again (my son is doubled jabbed - so wondered if first test was a false positive). the abcense of clear information of what a positive test means/ what you need to do is staggering - so little out there.
24 hours later Portuguese Public Health ask for their details and a GP calls the next day to say - 10 days isolation but they can stay in their accommodation (so no quarantine in Govt hotel) - but no advice on how to source food etc.
GP confirms that they will issue a fit to fly certificate on the 14th July but doesn’t say how and the GP contact numbers are ringing out- so still not clear on how this will be issued or even when -so can’t book flights home.
On returning to the UK Track and Trace confirm it a 10 Day isolation with PCR tests on day 2 and 8 - even if the tests are negative it’s still 10 days in isolation. Only way to shorten isolation is to do the 5 day test release PCR test - getting a negative result(btw after you’ve had COVID you are advised not to get a test for 90 days as you can still post a positive result) - so day 5 test is a total gamble In this scenario.
just to compound matters - My Son was on Flight 12 back from Porto - safe to say he won’t be rushing back to Portugal!