According to Department of Health data published on the night of February 1, there were 4,954 cases being treated in hospitals nationwide, including 375 in intensive care units.
Victoria declared an emergency for hospitals in its state capital, Melbourne, and several regional hospitals from midday Wednesday because of staff shortages and a surge in patient admissions.
Deputy Premier James Merlino said the state’s healthcare system is strained, with around 6,600 workers off duty after testing positive or coming into close contact with a positive case.
New South Wales saw a record 45,098 new cases on Saturday — up from 38,625 a day earlier — as the spread of the omicron variant forced the reintroduction of some restrictions in the state.
Head is asymptomatic and will remain in Melbourne with his partner for seven days as per the Victorian government's health requirements.
The most populous state, New South Wales, recorded 5,715 new cases, up from 3,763 and almost as many as were recorded across all of Australia on Wednesday.
The case, detected in the country's largest city Sydney, comes despite a ban on non-citizens entering the country and restrictions on flights from southern Africa, where the variant was first detected
A South African man in his 30s who flew from Johannesburg to the northern Australian city of Darwin on Nov 25 tested positive for the new variant at a quarantine facility.
Confirmed or suspected cases of the new variant have already emerged in several European countries, in Israel and in Hong Kong, just days after it was identified by researchers in South Africa.
Under the measures effective immediately, anyone who is not a citizen or resident of Australia, or their dependents, and who have been there in the past two weeks can not enter Australia.
Australia is preparing to re-open its international borders for the first time in more than 18 months but it'll be a gradual, state-by-state process starting next month and based on vaccination rates.
Contact tracers found a third of Victoria’s 1,438 new infections reported on Thursday had broken pandemic rules by attending social gatherings on the Friday public holiday and on game day.
The Australian leader said the planes delivering Pfizer vaccines were "on the tarmac" in the UK and would deliver "four million doses of hope" within weeks.
Seven of the ACT new cases have been linked to previous cases or exposure sites and four were in quarantine for their entire infectious period.
The COVID-19 death toll has reached 76 in New South Wales since the outbreak of the delta variant was first detected in Sydney on June 16.