Frequency of reported patients with EVALI by month of diagnosis. Data presented through May 15, 2020. The first case of EVALI in our cohorts was reported June 24, 2019. The first case in this case series with negative COVID testing was diagnosed March 17, 2020. The first case of COVID-19 diagnosed in Utah was March 6, 2020. May 2020 is highlighted because data are incomplete and current as of May 15, 2020. COVID-19 = coronavirus disease 2019; EVALI = e-cigarette, or vaping, product use-associated lung injury.