Health officials are urging Australians to take COVID-19 precautions at Anzac Day commemorations despite restrictions easing in most states and territories.
Almost 34,000 new COVID-19 cases have been recorded across Australia along with 22 deaths on Sunday.
New South Wales and Victoria recorded more than 18,000 new COVID-19 cases along with 22 deaths, pushing the national toll since the start of the pandemic past 7,000.
A teenager was among three COVID-related deaths reported in Western Australia on Sunday, as Premier Mark McGowan's child recovers from home with the virus after being released from hospital.
With many jurisdictions preparing for the return of full-scale Anzac Day services after two COVID-disrupted years, Victoria's health department has shared risk-mitigation tips.
It recommends patrons wear a mask when unable to physically distance, particularly in crowds or indoor environments.
Those who are symptomatic are encouraged to stay home and get tested, while people meeting indoors pre- or post-service should open doors and windows to maximise air flow.
"As important as the Anzac Day march and our dawn services are, there may be elderly and vulnerable people there we need to protect," Chief Health Officer Brett Sutton's daily COVID-19 update read on Sunday.
There are still more than 370,000 active cases of COVID-19 nationwide, with more than 3,000 patients in hospital care and around 130 of them in ICUs.
Meanwhile, seven-day isolation for close contacts is no longer mandatory in New South Wales and Victoria, while Queensland is moving to scrap quarantine for unvaccinated international arrivals by Thursday.
South Australia will also drop the requirement for close contact isolation from 30 April but they must take five rapid antigen tests over seven days.
Masks will also be required outside the home, high-risk settings like aged care centres will be off limits, and employers and schools will need proof of status.
Vaccination status and check-in requirements for social and sporting venues are being wound back in Victoria, although mandates for workers in multiple industries have been retained.
NSW is shifting to a risk assessment model, with household contacts of positive cases no longer needing to isolate for seven days, so long as they continue to test negative.
They should still work from home where possible and avoid high-risk settings.
The Australian Health Protection Principal Committee says it would be appropriate to drop some stricter restrictions, once the current wave of infections has peaked.
But authorities also warn infection rates may spike as restrictions ease.
Omicron cases are plateauing in New South Wales, with a steady decline in infections among the young.
The state's health surveillance report for the week ending April 16 also shows unvaccinated people are still over-represented in hospital admissions.
Federal Opposition Leader Anthony Albanese remains in isolation after testing positive.
