it s a matter of warming them up and kind of slowing things down for them and just being as kind as we possibly can. it s thought that 1.3 million people in the uk are currently living with long covid. that s 2%, of the population, and many more could be undiagnosed. that s why a mobile bus is taking to the streets of essex to check peoples lungs and refer them for help if needed. nikki fox went to see it in action. at the basildon sporting village, despite previously being fit and active, a good few people using the facilities have had lasting problems after coronavirus. 1.3 million people in the uk have long covid symptoms. that s why this bus is in the car park, to test people s lungs for lasting damage. i want you to blow out as hard and fast as you can. the spirometry test can pick up conditions like asthma or scarring of the lungs. deep breath in.