E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine New Infographic Sheds Light on the Truth Behind the Vaping and E Cigarettes Newswire What is ecigarette or vaping product useassociated lung injury (EVALI)? Vaping refers to the use of an electronic cigarette, or other vaping device, to breathe in an aerosol, often containing nicotine, flavouring and other chemicals. Unlike cigarette smoking, vaping doesn't burn tobacco.