We all think we know how bad the Omicron wave was, but we're only now starting to get a better sense of just how dire things became at its peak in our hospitals. 

More healthcare workers are speaking out about the chaotic scenes in emergency rooms and outside hospitals, where ambulances were kept waiting with critical patients onboard. 

Today, ABC Background Briefing reporter Mayeta Clark on why nurses in NSW have voted to strike for the first time in 10 years, and why others across the nation are quitting their jobs. 

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Mayeta Clark, ABC Background Briefing reporter