I think the message is simple: If you don't smoke, don't start vaping. If you're vaping, don't keep smoking." Full story How Long Does Vape Smoke Stay in the Air? 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 vape exposure: Risks and side effects