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Margaret McCartney on National Test and Trace and why households are receiving multiple calls. Beth tells of being contacted many times when her child tested positive and began to think all the family had been separately in contact with different cases, until the penny dropped that the calls were all about the same contact - her daughter. Professor Kate Ardern, director of Public Health in Wigan explains why these calls from the national system aren't joined up. And is there time in a pandemic to do trials for non-drug interventions like pub curfews or social distancing? Professor Paul Glaziou explains that there are currently just 8 such trials globally, while Professor Martin McKee highlights the problems involved. And Margaret hears from Professor Atle Fretheim who is trying to set up a trial in Norway into the impact of school closures on infection control.