Severe Pulmonary Disease Associated with Electronic-Cigarette–Product Use — Interim Guidance

Oral erosions associated with surreptitious marijuana vaping in an adolescent boy

“…Physical injury to the mouth may cause localized oral ulcers and prompt associated local lymph node swelling. Analysis has shown that the aerosol from vaping includes fine particulates . Although our patient denied physical mouth trauma, a possible (but unconfirmed) contributory factor to his oral inflammation may have been physical trauma from the vaporized particulates or heat‐related injury.…”

E-cigarette Product Use, or Vaping, Among Persons with Associated Lung Injury — Illinois and Wisconsin, April–September 2019

“…Previous reports highlighted that patients with lung injury associated with e-cigarette use have used both THC- and nicotine-containing products ( 1 , 3 , 8 , 9 ). The additional information presented here regarding the range and diversity of brands used by patients, acquisition patterns, and frequency of use helps to formulate hypotheses about the possible etiology of this outbreak.…”

“…Third, the time between urinary toxicology testing and last reported use of an e-cigarette product was not consistent and might explain the three negative results in patients who reported using THC-containing products. Finally, these data are largely drawn from patients living in the northeastern region of Illinois and southeastern region of Wisconsin, and therefore might not be generalizable to other states; however, the age and gender distribution of is consistent with nationwide trends ( 2 , 3 ). …”

“…Patients were classified as having confirmed or probable cases of lung injury associated with e-cigarette use according to CDC’s interim outbreak case definitions ( 3 ). Interviews were conducted with patients or a proxy using a structured and scripted questionnaire that was developed jointly between Illinois and Wisconsin with guidance from CDC.…”

E-cigarette Use, or Vaping, Practices and Characteristics Among Persons with Associated Lung Injury — Utah, April–October 2019

“…Cases were classified as confirmed or probable according to established case definitions ( 3 ). Medical record abstraction was completed using a detailed form provided by CDC in September 2019.…”