Trial, trial again: the race for covid-19 treatments

The world’s scientists are swiftly identifying drugs that may help with the pandemic, and setting out on the long road toward a vaccine. Ethiopia’s prime minister has been hailed as a peacemaker—so why is a violent crackdown plaguing the country’s most populous state? And a look at the epidemiology hidden in Instagram posts. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer