the big calls right since the start of the vaccine roll—out. so we're going to continue with that approach but try to do everything we can to make it as easy as possible for people in greater manchester to get to the vaccine centres or indeed to go to these mobile vaccine buses that will be out and about throughout the region over the course of the next few days and weeks. professor tracy hussell is an immunologist at the university of manchester. professor, thank you very much for joining us today on bbc news. before we get to what is happening now and what should happen next, take us back to why we have had this rise in cases of the delta variant in this part of england. i cases of the delta variant in this part of england-— part of england. i think any relaxation _ part of england. i think any relaxation of _ part of england. i think any relaxation of rules - part of england. i think any relaxation of rules we i part of england. i think any | relaxation of rules we would part of england. i think any i relaxation of rules we would be expecting the infections too, sort of, peak a little bit again. if you put that into perspective, there were 1800 people dying at the peak in january were 1800 people dying at the peak injanuary and were 1800 people dying at the peak in january and now we've only got 12