english: In another set of studies we actually simply reminded people -- this was at a time when the swine flu was going around -- we reminded people that in order to prevent the spread of the flu that they ought to wash their hands.
non_english: In een andere groep studies -- toen de varkensgriep rondging -- herinnerden we mensen eraan  dat om de verspreiding van de griep te voorkomen ze hun handen moesten wassen.