Can you get second hand smoke from a vape? Understanding Secondhand Vape Smoke Eliquidstop Tobacco Control Chronic Disease Prevention & Health Promotion Division Electronic Cigarettes 2nd Hand Vape Smoke And Pregnancy In the United States, about 8% of all women who are pregnant smoke cigarettes, and another roughly 4% report using electronic cigarettes or vapes. To learn Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London