Daily roundupFriday's key coronavirus developments from Luxembourg and abroad

Starting with Luxembourg

• The latest figures from Luxembourg show that 50 new cases of coronavirus were discovered over the last 24 hours.

• Appointments will no longer be required at the Limpertsberg vaccine centre from 16 August, following the success of the “Vaccine bus” on tour.

• The National Health Laboratory analysed 266 Covid-19 samples from 439 new infections in the week from 25 July to 1 August. The Delta variant is still dominant in Luxembourg, accounting for 81% of new cases.

And abroad

• The WHO on Thursday urged China to share raw data from the earliest Covid-19 cases to revive the pandemic origins probe -- and release information to address the controversial lab leak theory.

• The United States on Thursday authorised an extra dose of Covid vaccine for people with weakened immune systems.

• Israel is to require Covid-19 tests from next week for children as young as three to enter schools, swimming pools, hotels or gyms as infections surge despite extensive adult vaccinations.

• A worsening coronavirus outbreak in Sydney prompted Australian regions to pull up the drawbridge on the city and surrounding state Friday by implementing unprecedented travel restrictions.

• Masks will no longer be required on Danish public transport, the government says, as the Nordic country lifts the last of its compulsory face-covering regulations.

• A British judge on Friday sentenced a fraudster to three and a half years in jail after he tricked an elderly woman into paying him for a fake coronavirus vaccine jab.

• Russia on Friday recorded its highest daily coronavirus death toll for a second day running. A government tally showed 815 fatalities over the past 24 hours and 22,277 new cases.

• Argentina on Thursday began distributing the first batch of more than one million doses of the Russian Sputnik V Covid-19 vaccine produced domestically.