ifa more can see herd immunity is a pipe dream. happen. what we are dealing with now in terms of entering the autumn and winter, are two main drivers that will determine the outcome. one of them will be the immunity levels within the population and we know for certain individuals, they are starting to wane. the other side of things is population mix and population behaviour. whilst vaccination is important and the role of immunity will provide protection, relying on that without being careful in terms of controlling the spread of the virus, wearing facemasks, limiting contacts, social distancing, being in well ventilated spaces, i think is a big risk. we need to hear more about the need for us all to be careful and behave accordingly. {lilia careful and behave accordingly. ok, rofessin: , careful and behave accordingly. ok, professing, thank you very much. —— professor. washington is seeking to defuse a diplomatic row, after france recalled its ambassadors in the us and australia in protest at a security deal which also includes th