In a statement, the San Raffaele hospital in Milan said on Saturday the 54-year-old "has been transferred to a hospital in Padua".
In a statement, the San Raffaele hospital in Milan said the 53-year-old "responds with transient and initial signs of interaction with the environment" to visual and acoustic stimuli.
Paralympic gold medallist Alex Zanardi released from intensive care after 'significant improvements'
Zanardi was moved back into intensive care last month, just three days after being transferred to a neurological rehabilitation centre. He was seriously injured in a handbike crash in June.
Alex Zanardi has been transferred to the intensive care unit at the San Raffaelle hospital in Milan after his condition became unstable.
It was the third major operation that Zanardi has had since he crashed into an oncoming truck near the Tuscan town of Pienza on 19 June during a relay event.
Former Formula 1 driver and Paralympic champion Alex Zanardi undergoes second brain surgery after handbike accident
Alex Zanardi is an inspirational figure in the worlds of motorsport and Paralympic endeavour, a hugely popular and positive competitor who returned from life-changing injuries with a smile.
Pope Francis writes letter praising Alex Zanardi's strength after Paralympic gold-medalist's handbike crash
Zanardi, who lost both of his legs in an auto racing crash nearly 20 years ago, has been on a ventilator since he crashed his handbike into a truck near the Tuscan town of Pienza on Friday during a relay event.
Former Formula 1 driver Alex Zanardi's condition 'serious but stable' after suffering head injuries, say hospital
Former Formula One driver and twice Champ Car champion Alex Zanardi remained in serious but stable condition in intensive care on Sunday after suffering severe head injuries in a road accident while racing his handbike in Italy on Friday.
Former Formula 1 driver Alex Zanardi in critical condition after suffering head injuries in road accident
Siena’s Santa Maria alle Scotte hospital said in a statement that the 53-year-old Italian, who lost both legs and nearly his life in a 2001 Champ Car crash in Germany, was in a critical condition.
Narain Karthikeyan caps off maiden season in sports car racing with emphatic victory at Fuji Speedway
India's first Formula 1 driver Narain Karthikeyan produced a brilliant drive in challenging conditions to claim an emphatic victory in the SUPER GT x DTM Dream Race on Sunday.