10 Covid-busting designs: spray drones, fever helmets, anti-virus snoods

Companies the world over are directing their ingenuity at the fight against the coronavirus. Here are the front-runners, from sanitising robots to a 3D-printed hospital wardDesigners, engineers and programmers have heard the klaxon call. The last few weeks have seen a wave of ingenuity unleashed, with both garden-shed tinkerers and high-tech manufacturers scrambling to develop things that will combat the spread of Covid-19.Many of their innovations raise as many questions as they answer, though.