workers a new period of isolation. following asymptomatic, positive tests. for covid. our tools are the same ones that you outlined. they are getting vaccinated. which is why the uk is not experiencing the kind of military lucky. we are also urging people to wear masks. i know people are tired. this is a creative and resilient virus. we have to match its creativity and resilience. with the tools that we have. so, we have really been pushing vaccination. and on top of that, really, rolling out testing. i hope that as we face the end of the year, another surge of this pandemic. that we don't get away from the things that made us so vulnerable in the first place. as a nation. to having one of the worst outbreaks of any wealthy nation.