Coronavirus live news: London enters tier 3 restrictions; Trump will 'absolutely' encourage vaccine use

A World Health Organization research mission to China is expected to arrive in Wuhan next month to investigate how the novel coronavirus jumped from animals to humans, and whether it emerged earlier or in a different place than originally thought.

Fabian Leendertz, a biologist at Germany’s Robert Koch Institute and a member of the WHO’s 10-person mission team, told the Associated Press they will be working with Chinese scientists for four to five weeks.

Most scientists think the virus Sars-Cov-2 began in animals in China, most likely bats, before jumping to humans. Cases were first discovered in the city of Wuhan in late December 2019, linked to a seafood market. More than 73.4 million people have since been diagnosed with the virus, and 1.63 million have died:

With overall costs for vaccinating the UK population at £12bn, the public accounts committee has flagged ‘highly unusual’ arrangements.

Vaccinating the population against Covid-19 will cost up to £12bn, Whitehall’s spending watchdog has disclosed, amid details of tensions between health bodies over the rollout.

The National Audit Office said the government would spend up to £11.7bn on purchasing and manufacturing Covid-19 jabs for the UK before deploying them in England.

It’s been described as “very un-Australian” – one of the fiercest, but most flexible, criticisms you can make in this part of the world.

Australian department of foreign affairs and trade officials are being allowed to skip government-mandated hotel quarantine when returning from abroad, instead spending two weeks at home.

In the UK, vaccinating the population against Covid-19 will cost up to £12bn, Whitehall’s spending watchdog has disclosed, amid details of tensions between health bodies over the rollout.

The National Audit Office said the government would spend up to £11.7bn on purchasing and manufacturing Covid-19 jabs for the UK before deploying them in England.

A report released on Wednesday reveals officials from Public Health England complained that they had been cut out of key decisions despite having previous experience of vaccine delivery programmes: