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 Is Secondhand Vaping Harmful To Your Health? Amazon.com: NICOTESTS Nicotine Second Hand Smoke and Vape 10 ng Test (5 Pack) : Health & Household Effect of second hand fumes from vaping on young lungs Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy Secondhand Smoke Vermont Department of Health