With shelves cleared of hand sanitiser, many people are starting to to make their own.

Health experts highlight basic hygiene measures to prevent infection spread of the new coronavirus that has affected more than 90,000 around the world.

Harvard researchers have devised what they hope is a better way to disinfect hands, using tiny aerosolized nanodroplets of water and nontoxic disinfectants that not only leave hands sterile, but use so little water the hands stay dry.