If had both jabs = no need for 'fit to fly' for some EU countries?

[NoMoreLimbo]

Just wondering if I am understanding this correctly... just looking at e.g. entry rules for Denmark and Greece. DK says 'Fully vaccinated UK residents can enter Denmark for all purposes, without the need to test or self-isolate'. So does this then mean that there is no need to have a fit to fly test and certificate before getting on the flight to said destination? (obviously all other UK rules will apply as test before return and/or isolate etc depending on colour).

You would surely need to show that you've had both jabs so would need the certificate

Sorry I misunderstood what you meant there. It maybe depends if the airline would let you board without a proof of negative test so check with them