Coronavirus live news: vaccines offer high protection against death, report finds; Malaysia to enter lockdown

Public Health England says AstraZeneca and Pfizer give significant protection against hospitalisations and death; month-long Malaysian lockdown

• Dozens of suspected Covid victims wash up on Ganges River banks
• A hopeless situation': oxygen shortage fuels Nepal's Covid crisis
• Boris Johnson confirms further lockdown easing in England
• Germany to approve Johnson & Johnson vaccine for adults of all ages
• Americans could opt to wear masks during flu season, Fauci says

11.51pm BST

US regulators have now authorised Pfizer BioNTech's Covid-19 vaccine for use in children as young as 12, Reuters has reported. Previously, the vaccine had been available only under an emergency use authorisation to people as young as 16.

You can read more on that story here, which we will update in due course.

11.28pm BST

Here are some of the key developments over the past few hours.