Join Date: Nov 2018
Location: Istanbul, Turkey
Programs: TK Elite Plus,BAEC GGL,ITA Executive, AFKL Gold,QR Gold,HH Diamond,Bonvoy Gold,ALL Gold
Posts: 14,186
Unless you have are flying to Doha from Bangladesh, India, Nepal, Pakistan, Philippines, Sri Lanka, Vietnam; you wouldn't need a COVID test to transfer Doha regardless of vaccination status.
Although, the COVID requirements of your final destination would still apply.