Social media giants will be forced to explain what steps they are taking to keep Australians safe on their platforms, as part of a new inquiry.

Prime Minister Scott Morrison used Tuesday's national cabinet to urge state and territory leaders to stick to their reopening plans, despite Omicron raising anxieties about the virus.

Genomic sequencing has confirmed a woman infected with coronavirus who flew into Sydney last week carried the Omicron variant into the community with her.

A "very concerning" increase in eating disorders among young people is among the issues expected to be investigated by an inquiry into Queensland's mental health services.

A man's world. The most sexist workplace. Somewhere women felt lucky if they were not sexually harassed.

Four cases of coronavirus from the Omicron variant have been confirmed in NSW after the discovery of two more infected people.

Queensland plans to "proceed" with reopening its borders, but is keeping an eye on the Omicron variant of COVID-19.

Investigators believe the key to how Belgian teenager Theo Hayez vanished lies with what happened at 1.02am at a northern NSW beach on June 1, 2019.

WHAT DO WE KNOW ABOUT OMICRON?South African Health Minister Joe Phaahla said the variant was linked to an "exponential rise" of cases in the country in the past few days.

Scott Morrison has assured Australians the country is not facing the same sort of challenges it endured when the coronavirus first arrived in early 2020, as a new variant is confirmed in NSW.