We live in a world where the cold virus (rhinovirus) lingers on 35% of surfaces touched by unwashed hands - and that is many surfaces, say scientists from the University of Virginia Health System, USA. Even 18 hours after being touched by dirty hands, scientists detected traces of the rhinovirus. The rhinovirus is responsible for about half of all common colds in children and adults.In the USA adults usually catch about two colds a year - children catch about seven to ten. [click link for full article]