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 and Electronic Cigarette Aerosol Resources US EPA Second hand vape smoke linked to more asthma symptoms in kids PolitiFact When someone's vaping nearby, what are you breathing in? The risks of vape pens' secondhand aerosols Can you get second hand smoke from a vape Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice