Granting immunity: America weighs vaccine approval

As Britons receive the first doses of Pfizer’s coronavirus vaccine, authorities in America are meeting this week to authorise its emergency use. We examine the approaches on both sides of the pond. Despite pandemic prescriptions of social distancing, multigenerational living is on the rise. And how Advent calendars became so very extra.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer