Fernando Alonso was taken to hospital after an accident in Switzerland on Thursday and he will remain under observation for a further 48 hours.
Australia was given a new date of November 21 for what would normally be the season-opener in Melbourne.
Lewis Hamilton, who has Covid-19, has to return a negative test result by Thursday or his substitute George Russell will be in the driving seat again, according to Mercedes team chief Toto Wolff.
The seven-time Formula One world champion wrapped up his record-equalling seventh title in Turkey last month and picked up his 11th win of the season in Bahrain on Sunday.
Formula One's managing director for motorsport Ross Brawn says W Series has been "a beacon to many" since the championship started.
F1 chairperson Chase Carey announced that Saudi Arabia will become the 33rd country to host a round of the Formula 1 world championship in 2021.
As the F1 circus returns to the Autodromo Enzo e Dino Ferrari for the first time in 14 years, and for Italy's 100th F1 race, Mercedes need 11 points to confirm their record seventh straight title win.
Lewis Hamilton equals Michael Schumacher’s record of 91 Formula One wins as he guides his Mercedes to a narrow, if measured, victory at the frantic Eifel Grand Prix.
Australian Racing Group and Bathurst Regional Council say the S5000 open-wheel race event could only have gone ahead if border restrictions were lifted and mandatory quarantine periods scrapped.
Istanbul governor's office says no fans will be allowed inside Istanbul Park for the entire Turkish Grand Prix race weekend from November 13 to 15 due to the coronavirus outbreak.
Ferrari have competed in every season since the first in 1950, and have won the most races.
While Mercedes soared, Ferrari slumped to further humiliation with neither of their cars starting their home race in the top 10 for the first time since 1984.
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