As folk can have a disability and be employed, they can look be unemployed and have a disability.
A disability is said to have long-term effects if it has lasted twelve month, is likely to last twelve month or for the rest of a person's life.
It is also said to be long-term if the advescondition has ended but is likely to re-occur
If an impairment ceases to have a substantial adverse effect on a person’s ability to carry out normal day-to-day activities, it is to be treated as continuing to have that effect if that effect is likely to recur.