go away as a problem, some years it will be a go away as a problem, some years it will be a big go away as a problem, some years it will be a big problem, the way i would will be a big problem, the way i would see this with covid 19 at the moment. would see this with covid 19 at the moment, this is like a hairpin bend that has moment, this is like a hairpin bend that has been put on our way. we were that has been put on our way. we were cruising along and that got slowed were cruising along and that got slowed right down and we had to go rent it slowed right down and we had to go rent it and slowed right down and we had to go rent it and now we have to get back on track rent it and now we have to get back on track with the booster. we can accelerate on track with the booster. we can accelerate out again. we hope it will get accelerate out again. we hope it will get less and less necessary as medical will get less and less necessary as medical countermeasures mount