Britain and other countries have put Turkey on their 'red list' for travel meaning those returning from visits there must go into lengthy period of mandatory quarantine.
Champion Lewis Hamilton of Mercedes prevailed in Bahrain first time out but only just, with polesitter Max Verstappen of Red Bull deemed to have gone outside track limits late on when passing the Briton
"There is a long way to go, 22 (races) ... Holy crap! I will be grey by the end of this," Hamilton said, DPA news reports. Verstappen meanwhile considered: "we'll have 22 more opportunities to do better.
The Australian race, usually the season-opener, was delayed from March to November, but no new date was set for the Chinese Grand Prix, normally held in April
Website autosport.com said the Melbourne-based race, which is due to kick off the new season on March 21, would likely be pushed back to later in the yea
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Haas F1 Team has signed Germany's Mick Schumacher as part of its all-new driver lineup for the 2021 FIA Formula 1 World Championship and beyond in a multi-year agreement
Hamilton who on Sunday won the Bahrain Grand Prix, the first of back-to-back races in the Gulf state, has already secured a record-equalling seventh world championship this season.
Ferrari, will invest heavily in bouncing back while Red Bull, who have been closest to matching Mercedes, seek more consistency and speed to close the gap
The 35-year-old sealed his latest title with a typically measured masterclass, handling treacherous wet early conditions to claim his 94th career win despite starting sixth on the grid