Some individuals and retailers are being told their orders of rapid antigen tests have been delayed and the supply is being diverted to meet a federal government mandate.

The tennis star releases a six-panel post on his Instagram page, saying he wanted to "address the continuing misinformation" about his activity following a positive COVID test in December.

Novak Djokovic has been forced to clarify the sequence of events between testing positive for COVID in December and arriving in Australia. Here's what we know.

Police have indicated they may be seeking a jail term for the owner of The George bar, which hosted a 'hidden' NYE party in breach of COVID-19 restrictions, while he plans to dispute the allegations. 

In a draft advice document from the nation's top health body, services that could be exempt during outbreaks include transport, hospitality, education and childcare, construction and real estate.

The abduction of Cheryl Grimmer from a NSW beach 52 years ago is now the subject of an international podcast, giving her family fresh hope that the mystery might be solved.

The system for reporting positive rapid antigen test results only launched this morning and already more than 53,000 people have logged infections spanning back to January 1.

Victoria Police announce a renewed focus on working out the circumstances surrounding the 2015 death of young Melbourne man Connor Tolson.

The shortage of rapid antigen tests on retail shelves shows little sign of abating in January, with a major increase in deliveries still weeks away.

With Omicron sweeping the world, many experts say it's time to dump the cloth mask. The best masks to protect you are already available, but here's what you should do if your local pharmacist is out of N95 masks. 

Hypersonic missiles are listed among the "top priority" tasks for strategic weapons development in North Korea's five-year plan.

Thanasi Kokkinakis already has a wildcard entry to the Australian Open secured, but an upset, come-from-behind win over John Isner may have put the tournament on warning.

Western Australia has reported two new local COVID-19 cases as the state prepares to slam shut its border with the Northern Territory. 

US President Joe Biden makes an impassioned speech on protecting voting rights in America, calling for a rewrite of Senate rules to override opposition to election laws he says are crucial to saving US democracy.

Tens of thousands of children have already received a COVID vaccine, and parents say it's a huge relief.

Aged care providers are casting doubt on the federal government's commitment to finish the booster rollout in aged care by the end of the month, with data revealing the program slowed dramatically over the Christmas-New Years break.

As Omicron cases soar, many people are faced with having to re-book their vaccination appointments. Here are some principles to help you decide when to lock it in, writes Margie Danchin.  

Thirty-five of Australia's top academics, doctors and community leaders write an open letter to Australian governments, urging them to allow schools to open for face-to-face learning on time. 

There are almost 131,000 active COVID-19 cases in Queensland and the state's Chief Health Officer, John Gerrard, says there is now enough data for patterns to emerge on the types of patients needing hospital care.

Queensland's Health Minister dismisses claims that the head of the state's ambulance service is "missing in action", as paramedics warn the service is at breaking point.

Local residents are allowed to return home after a fire came dangerously close to private properties in Eagle Bay in WA's South West. 

The man and woman from Rangeville, who were known to the child, opt not to find a lawyer to represent them on what the magistrate described as "extremely serious" charges.

Christmas Island's famous red crab population increases with millions of the creatures making a comeback in the past few years.

One elder says the NT government "should have acted straight away" when the remote Central Australian community, which has a first-dose rate of 41 per cent, was hit by COVID.

Helicopters, mounted police and families from across Queensland join the search for a beloved police dog who became separated from his handler while chasing an alleged car thief through bushland west of Brisbane.