u. k. gabriel scully visiting professor of public health at the university of bristol and a member of the scientific advisory group for emergencies. a warm welcome to all if i could start with brendan, what exactly are protest is upset about? is it more about privacy being violated? brendan, all freedom of movement being restricted it's been a combination of both. i've heard from protesters here that there's concerns over the intrusion into their privacy, particularly from the array of different places that will now be checking this help pass. so in france of particular, destiny include bars, restaurants, days, interest, city transit, hospitals, nursing homes. and so people have concerns over just the scope of where this is going to be rolled out. and the degree to which is going to be implemented. as you mentioned earlier, it's got a few options with it in terms of pullback, summation, or proven test that there was negative within 48 hours or a positive test. it's recovered within 6 months, but it still concerns over the past itself and how that's going to be implemented throughout socie