Laboratory data show that vitamin E acetate, an additive in some THC-containing e-cigarette, or vaping, products, is strongly linked to the EVALI outbreak.Law enforcement actions related to illicit products.Removal of vitamin E acetate from some products.Increased public awareness of the risk associated with THC-containing e-cigarette, or vaping, product use as a result of the rapid public health response.Reasons for the decline are likely multifactorial and may be related to the following:.National ED data and active case reporting from state health departments around the country show a sharp rise in symptoms or cases of EVALI in August 2019, a peak in September 2019, and a gradual, but persistent decline since then.Sixty-eight deaths have been confirmed in 29 states and the District of Columbia (as of February 18, 2020).As of February 18, 2020, a total of 2,807 hospitalized EVALI cases or deaths have been reported to CDC from all 50 states, the District of Columbia, and two U.S.

Evidence is not sufficient to rule out the contribution of other chemicals of concern, including chemicals in either THC or non-THC products, in some of the reported EVALI cases.ĬDC will continue to update guidance related to EVALI as appropriate.Vitamin E acetate has not been found in the lung fluid of people that do not have EVALI. Vitamin E acetate has been found in product samples tested by FDA and state laboratories and in patient lung fluid samples tested by CDC from geographically diverse states. Vitamin E acetate is strongly linked to the EVALI outbreak.National and state data from patient reports and product sample testing show tetrahydrocannabinol (THC)-containing e-cigarette, or vaping, products, particularly from informal sources like friends, family, or in-person or online dealers, are linked to most EVALI cases and play a major role in the outbreak.Emergency department (ED) visits related to e-cigarette, or vaping, products continue to decline, after sharply increasing in August 2019 and peaking in September.

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