When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Secondhand Smoke Second hand E cigarette Vapour Increases Risk Of Poor Respiratory Health Study Finds Cigarette Smoke Detector Secondhand Smoke Facts and Statistics Infographic Rabbit Air E Cigs and Second Hand Vaping: Dangers and Protections Secondhand vaping: The latest vaping health risk CNET