information early and quickly, but all over the _ world. i think the omicron virus has now been found in at least 60 different countries. there isn't a single marker that allows us to understand or to assess the effectiveness of interventions. it's about the number of cases, how rapidly they're spreading, who they are spreading in, and that is one of the reasons that the vaccine programme has started with people who are most vulnerable. older people, people in care homes, as they're people who are always at risk with this virus or any variants. at risk of severe illness or ending up in hospital. more and more people eligible for the vaccine, and i would really urge people to do so as soon as they have that invitation. professor melinda mills is the professor of demography at the university of oxford. do you think these new restrictions make sense?— do you think these new restrictions make sense? yeah, i think there are multile make sense? yeah, i think there are multiple things _ make sense? yeah, i think there are multiple things coming _ make sense? yeah, i think there are multiple things coming in, _ make sense? yeah, i think there are multiple things coming in, and - make sense? yeah, i think there are