Virgin Atlantic (VS/VIR) like most airlines have suspended flights between the UK and mainland China because of the Coronavirus outbreak and it has now extended that suspension.
The airline originally placed a suspension on the London Heathrow (LHR/EGLL) to Shanghai Pudong (PVG/ZSPD) service until 16th February 2020 but this has now been extended until 28th March 2020.
British Airways and Hainan Airlines have also suspended flights between the UK and Mainland China.