Covid live: US Covid deaths reach average of 1,900 a day; 31,564 new cases in UK

Average deaths per day day have climbed 40% over the past two weeks in United States; UK figures show 203 further deaths have been reported

• EU set to accept NHS pass as proof of vaccination
• Trials begin on Covid booster jab hoped to beat new variants
• Covid-19 has now killed as many Americans as the 1918-19 flu pandemic
• Covid bereaved families group refused access to Tory conference
• German petrol station worker killed after face mask row
• US to lift travel ban for vaccinated passengers from UK and most of EU

10.50pm BST

Invitations to book a Covid-19 booster jab are being sent to 1.5 million people in England this week.

Those eligible will receive one dose of the Pfizer vaccine or half a dose of the Moderna vaccine.

Related: I declined my Covid booster jab. Others should too | Letter

10.32pm BST

The United States is planning to donate another 500 million Covid-19 vaccines to nations around the world, Reuters reports.

President Biden is likely to announce the new pledge at a virtual summit on Wednesday, according to a source familiar with the plan.