Formula One have confirmed the postponements of the Dutch, Spanish and Monaco Grands Prix, while bosses have also agreed to delay the introduction of the 2021 regulations to the 2022 season.
The coronavirus outbreak continues to affect the world of sport, with F1 forced to axe last weekend's curtain-raiser in Australia 90 minutes before Friday practice was due to take place.
Subsequent races in Bahrain, Vietnam and China postponed, while there were doubts over whether the trio of races scheduled in May - in the Netherlands, Spain and Monaco - would take place.
And F1, along with governing body the FIA, confirmed on Thursday that those races have now been postponed, meaning the season is due to start at the Azerbaijan Grand Prix in June,