Trial data shows treatment could reduce risk of hospitalisation, death in high-risk patients by around 80%

Smoking is country’s leading cause of preventable death, causes 1 in 4 cancers, says associate health minister

Moscow will face economic sanctions ‘like none ever seen’, says US president

Owner of now-shuttered pro-democracy Apple Daily was found guilty of unlawful assembly charges

Calls for investigation prompted by former prime minister Kevin Rudd's petition

Omicron-specific jab, currently in development, to be ready by March

Not federal government’s place to impose vaccination requirements on private businesses, says Democrat Joe Manchin

Call to shun election in defiance of new law criminalising incitement

Tedros Adhanom Ghebreyesus also warns against slacking off vigilance against the virus

However, drug Evusheld not a substitute for vaccination, warns Food and Drug Administration

Mark Meadows is seen as a key witness to Donald Trump’s role in efforts to overturn the election

Leaked footage shows Downing Street staffers joking about holding Christmas party during lockdown

Social Democrat politician poised to lead Germany's first national ‘traffic light’ coalition