We've had lots of questions about vaping and whether it could increase the risk of sudden and unexpected infant death. We are pleased to say that we are jointly funding research with Secondhand smoke and secondhand aerosol 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 How Long Does Second Hand Vape Stay In The Air Quality How Long Does Second Hand Smoke Stay In Your System? Effects, Duration Is Second Hand Vape A Thing Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA