Officials suspect some kind of chemical exposure, but the cause of the disease has not yet been verified. Symptoms include cough, shortness of breath, tiredness, vomiting and diarrhea. All cases relate to the use of vaping or e-cigarettes. Some people used e-cigarette products with THC, other nicotine products or those with THC and nicotine. Some people used black market products.
According to Mitch Zeller, director of the FDA's Tobacco Products Center, the agency does not aim to allow people to use controlled substances for their personal use. The investigation spans multiple states, hundreds of cases and a wide range of products and substances, said Anne Schuchat, deputy principal director of the CDC, to reporters in a teleconference with e-cigarettes in the US and elsewhere. The federal government plans to ban e-cigs without tobacco flavor, while New York and Michigan have already blocked their sales. Chinese retailers have stopped selling Juul products this week, while India has effectively banned e-cigarettes.