Morrisons extends 10 per cent key worker discount Morrisons has extended its 10 per cent Thank you discount until further notice meaning key workers can use it throughout the festive season and into the new year. The discount is available to NHS staff, teachers ans Blue Light Card holders to recognise and thank them for the care and support they have offered to the British public throughout the coronavirus pandemic. Morrisons has also made it easier and quicker for NHS staff and teachers to redeem to discount after listening to feedback from key workers. They can now join the Mor For NHS Club or More For Teachers Club and use the Morrisons More Car app at the till.