Photos in Australian media on Wednesday are said to show Ms Giuffre being driven in a vehicle north of Perth.
The 41-year-old appeared with a bruised face last week when she posted an Instagram video saying her car had been hit by a speeding school bus as she slowed for a turn.
She said: “I’ve gone into kidney renal failure, they’ve given me four days to live, transferring me to a specialist hospital in urology.
“I’m ready to go, just not until I see my babies one last time…”
Police said they had received a report of a “minor crash” between a school bus and a car in Neergabby, about 12 miles from Perth, on 24 March.
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“The collision was reported by the bus driver the following day,” said a spokeswoman. “There were no reported injuries as a result of the crash.”
Ms Giuffre is reported to have separated from her husband.
The case was due back in court today (9 April).
Image: Ms Giuffre reached a settlement with the duke in 2022. File pic: AP
Ms Giuffre sued the Duke of York for sexual abuse in August 2021, saying Andrew had sex with her when she was 17 and had been trafficked by his friend, the billionaire paedophile Jeffrey Epstein.
In March 2022, it was announced Ms Giuffre and Andrew had reached an out-of-court settlement – believed to include a “substantial donation to Ms Giuffre’s charity in support of victims’ rights”.