Boris Johnson warns of being "hostages to fortune" amid signs reopening of international travel could be pushed back.
But Boris Johnson has been accused of acting too slowly to prevent new variant of coronavirus from being imported.
People returning to England will have to self-isolate for 14 days.
UK nations once again impose different measures on holidaymakers returning home.
Scotland also adds Switzerland to list north of border amid a spike in Covid-19 cases abroad.
The wells are believed to be around 10 miles from the Praia da Luz resort Madeleine disappeared from on May 3, 2007.
They are the European countries with the most outbreaks recorded at the end of June, but their strategies to tackle Covid-19 could not be more different.
Meanwhile, fellow nurse Luis Pitarma was thanked for his service looking after the PM by Portugal's president.
A second storm, named Storm Fabien, has brought further chaos to parts of Spain and Portugal.
It's understood the man entered the water to help the woman after she fell into difficulty.