Daily roundupSunday's key coronavirus developments from Luxembourg and abroad

Starting with Luxembourg

• Luxembourg-based Dr Angela Marley looks at concerns that the coronavirus may damage the brain. What are the neurological symptoms, and could it shrink the organ? Read her piece here.

And abroad

• The UKgovernment was thrown into turmoil on Sunday by its own rules on Covid self-isolation just as it controversially prepares to ditch pandemic curbs in England.

• Europeans faced last-minute travel frustration on Saturday as the UK and France overhauled Covid-19 border restrictions to combat surging infections that threaten plans to get life back to normal.

• Two South African footballers and a video analyst have tested positive for the coronavirus in the Tokyo Olympic Village, officials said on Sunday, raising fears of a cluster just days before the opening ceremony.

• Thai police deployed rubber bullets, tear gas and water cannon as demonstrators in Bangkok defied Covid restrictions to call for Premier Prayut Chan-O-Cha’s resignation.

• Israel on Sunday walked back part of its policy for third coronavirus vaccination shots, saying that contrary to a recent announcement, oncology patients should actually stick with two jabs only.

• In Peru, the national police is the institution most affected by Covid-19, with 787 deaths and more than 50,600 contaminations, or nearly 50% of its staff affected, the Interior Ministry said on Saturday.