It is, and let me give you some historical context. You can go back centuries to medieval Italy. At that time, the very best public health measure was the cordon sanitaire, the looping off of an area—the cordoning off of an area and not allowing people in or out. It is the surest, safest, best thing when you're dealing with a hot zone, and it's been part of public health practice forever. That is allowed under the Emergencies Act and should be done with hot zones for exactly the reasons you mention, Mr. Davies. That is about as far as the Emergencies Act will carry you, I think, but that's very far, so this part of it should be a no-brainer.
On May 3rd, 2021. See this statement in context.