SA Health this afternoon released the latest figures, which topped Sunday’s high of 774 infections.

It also confirmed a 94-year-old woman had died with the virus in Adelaide on Sunday but the cause of her death is still being determined.

The woman’s death is the fifth of someone with COVID-19 in the state since the start of the pandemic.

There are 23 patients in hospital, up from 17 on Sunday, with four in intensive care and a man in his 30s being ventilated.

More than four out of every five of the new cases are the Omicron variant.

SA Health says that some 82 of the new infections are known contacts of SA cases, 166 people caught the virus in the state with no known contact and 15 were acquired interstate.

The remaining 579 cases remain under investigation.

Due to changes in reporting data, four cases were duplications from Sunday’s tally and have been removed from the total case tally.

Premier Steven Marshall did not hold a press conference today to announce the new record high cases.

On Sunday he declared new limits on venue capacity and cut household gathering numbers from 30 to 10, saying the government had to act quickly before health systems were overrun.

Marshall also defended his decision to open the state’s borders on November 23, saying the World Health Organisation did not declare Omicron a variant of concern until November 28.

-with AAP