After Boris Johnson announces a new three-tier system of increasingly tough restrictions to determine England’s local lockdowns, University of London virologist Dr Elisabetta Gropelli joins Theodora Louloudis to discuss whether a focus on social interaction is enough to avoid the death rates seen over the country’s first wave. Find out what tier your area is in: https://bit.ly/2SNBOTo| Read more about missed cancer screenings: https://bit.ly/371Y8AX| Read more about China’s mass testing: https://bit.ly/33OpDfj | Read Sarah Newey’s piece on Manaus in Brazil: https://bit.ly/3diYUe9 | For 30 days' free access to The Telegraph: www.telegraph.co.uk/audio | Email: [email protected] |