2014; in 2019, 27.5% of high school college students reported current e-cigarette use (3). To evaluate developments in unit sales of e-cigarettes in the United States by product and flavor type, CDC, vapewithout CDC Foundation, vapealmost and Truth Initiative analyzed retail scanner information during September 14, 2014-May 17, 2020, from Information Resources, Inc. (IRI). The high prevalence of acquisition of THC-containing merchandise from informal sources by EVALI patients reinforces CDC’s advice to not use e-cigarette, Vapetoward   or vaping, products that comprise THC, especially these acquired from informal sources.

Amongst 809 (50%) patients reporting information on the supply of THC-containing products, 131 (16%) reported buying their products from only commercial sources (i.e., recreational dispensaries, medical dispensaries, vapewithout or both; vape or smoke outlets; stores; and vaporenough pop-up retailers), 627 (78%) from only informal sources (i.e., friends, family, in-individual or online sellers, vaportry or other sources), and 51 (6%) from each forms of sources.

§ Due to state and local COVID-19 protocols (e.g., distance or hybrid learning, restrictive travel, or visitor access), the 2021 NYTS information collection was transitioned from an in-person, pill-based mostly administration to a totally online administration. As of October 31, 2019, 96 patients had been categorised as having confirmed or possible EVALI in Minnesota, and additional cases are being investigated. In 2019, the United States skilled an outbreak of e-cigarette, or vaping, product use-related lung damage (EVALI) (1).

Most EVALI patients have reported using tetrahydrocannabinol (THC)-containing e-cigarette, vapewithout or vaping, merchandise obtained from informal sources (2,3), and vitamin E acetate in these merchandise has been closely linked with EVALI (4,5). However, some EVALI patients report utilizing only nicotine-containing products.

Through the final week of September 2019, the Kansas Syndromic Surveillance Program2 started using syndromic data to establish potential cases of EVALI.