When to have your second vaccine dose?

New evidence for when to have your second Covid vaccine dose; Plus the long awaited results of a 20 year trial into Ovarian Cancer screening and whether picking the disease up early with a simple blood test helps to save lives. And Misophonia – the curious condition where sounds of other people eating can cause anger and panic. Presenter: Claudia Hammond Producer: Erika Wright(Picture: Vials of vaccine for Covid-19 to be administered by injection. Photo credit: A. Martin UW Photography/Getty Images.)