Can you still do an airside transit at the airport even if you come from a "banned" European country? At the height of the lockdown in the Spring that was explicitly authorised but I cannot find anything on the current politi.dk covid pages that address the issue. All the references to "transit" in those pages seem to assume actually entering and traveling through the country (as for those landing in CPH to continue to Southern Sweden by road or rail) rather than just landing and taking off from the same airport.