to the _ the samples going to the uk will go to the tab _ the samples going to the uk will go to the lab from our study and other studies _ to the lab from our study and other studies in — to the lab from our study and other studies. in the booster study which impeiied _ studies. in the booster study which impelled to as an 800 or so people in the _ impelled to as an 800 or so people in the uk _ impelled to as an 800 or so people in the uk at 18 different sites across— in the uk at 18 different sites across the national institute of health — across the national institute of health research across the country, we saw _ health research across the country, we saw very— health research across the country, we saw very encouraging results. in terms _ we saw very encouraging results. in terms of— we saw very encouraging results. in terms of how the body remembers the vaccine _ terms of how the body remembers the vaccine and _ terms of how the body remembers the vaccine and then is able to respond in future, _ vaccine and then is able to respond in future, the long—term memory. although — in future, the long—term memory. although we do not understand exactly the interaction between these _ exactly the interaction between these sales and memory immunity saying _ these sales and memory immunity saying that number means that protection. what we did see across the previous beta bearing and the current _ the previous beta bearing and the current delta variant, that we studied. _ current delta variant, that we studied, that the t cell response was very— studied, that the t cell response was very broad across all of those variants _ was very broad across all of those variants of — was very broad across all of those variants of the spike protein. the memory— variants of the spike protein. the memory response of the body doesn't