and jenny harris, the head of the uk health security agency said it's about adapting it to a new phase very different period now, if you think— it's a very different period now, if you think about where we were at the start of— you think about where we were at the start of the _ you think about where we were at the start of the delta peak which is hopefully starting to flatten now, we had _ hopefully starting to flatten now, we had far fewer people vaccinated, we had far fewer people vaccinated, we had _ we had far fewer people vaccinated, we had raising case rates and it's inevitable — we had raising case rates and it's inevitable that we had the apt doing exactly _ inevitable that we had the apt doing exactly what it should do, which is identify— exactly what it should do, which is identify close contacts frequently. however. — identify close contacts frequently. however, we are in a slightly different— however, we are in a slightly different position now, we are trying — different position now, we are trying to— different position now, we are trying to open up, trying to balance and