Symptoms Of Second hand Vape Smoke Secondhand smoke and secondhand aerosol Secondhand Smoke Vermont Department of Health 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 and thirdhand vape exposure is a serious issue, especially when children are involved. Unlike firsthand vaping, which directly introduces harmful chemicals into the lungs, secondhand exposure affects those nearby, Symptoms Of Second hand Vape Smoke Second hand Vaping Vs Smoking Can You Get Second Hand Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice