With thousands of residents and staff now classified as active cases, hundreds of private aged care facilities are also still waiting for booster vaccinations and rapid antigen tests.

That's according to the Australian Nursing and Midwifery Federation (ANMF) which is concerned the federal government has no real plan to protect vulnerable nursing home residents and staff during the pandemic.

Labor's aged care and senior Australians spokeswoman Clare O'Neil also spoke out on Wednesday, saying almost 500 facilities were tackling COVID-19 outbreaks.

"The brutal reality of this is people are not getting properly cared for," she told the ABC on Wednesday.

"They're not getting showered, they are probably sitting in pads, ... people don't get enough to eat, people don't have anyone to talk to.

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"This is just the human interaction that you and I as people need to survive with our physical and mental health."

The ANMF claims COVID-positive isolation regulations have led to chronic staff shortages and dangerously excessive workloads with low staffing levels are leading to missed care.

"With Omicron spreading so rapidly throughout the community, our frontline nurses and carers are completely exhausted and burnt out, they've been crying out for help, but yet again, the Morrison Government has abandoned aged care residents and staff," ANMF acting federal secretary, Lori-Anne Sharp, said.

"We're dismayed that despite the tragedies in aged care during previous outbreaks, the government has decided to stand-back and 'let it rip', without securing proper supplies of vital booster shots, RATs and personal protective equipment (PPE) for nursing homes.

"The Morrison government should have been more prepared. It's like nothing has been learnt from the second wave in 2020, when tragically, 678 lives were lost."

The ANMF says the federal government has completely failed to plan for adequate surge workforce capacity and invest in staff despite knowing the chronic understaffing that has overwhelmed the sector for a decade and further highlighted by the Aged Care Royal Commission.

"Sadly, it's apparent that nursing homes aren't prepared for the Omicron wave, even though back in August, Minister Hunt declared that RAT would be available in aged care facilities.

"As we know, RAT, in particular, is a useful tool in risk control and the lack of RATs is resulting in chronic staff shortages and putting nurses, carers, and the elderly residents they care for, at further risk of contracting COVID-19 and missing out on urgently needed care regardless of COVID-19 status," Ms Sharp said