here“I was struggling for breath really and I was on oxygen (when admitted to hospital),” he said.“They said would I like to do a trial?“They didn’t say what drug and it could have been one of three or four because they were trying different ones, which I agreed to.“Obviously, he gave me the right one."Mr Herring added: “There was no magic switch, it was a gradual coming back really.“It wasn’t anything overnight.”Mr Herring said doctors were close to putting him on a ventilator but they found that giving him oxygen through a face mask worked.“They said ‘Well, we will have to put you on a ventilator but we will just try this mask and see if that works’, which it did, thank goodness,” he said.“I wouldn’t have enjoyed going on a.