There were other ingredients in the samples, although they did not appear so consistently. THC emerged in 23 of the samples until nicotine appeared in 16.
The CDC quickly warned that vitamin E acetate was not confirmed as the cause and that there could be multiple factors involved in sometimes deadly diseases. However, she reiterated the recommendation to avoid the use of electronic cigars and vapes involving THC, especially from "unofficial sources" such as friends or street vendors. The CDC also emphasized that companies should not add the compound to their products until and unless there is a clearer understanding of its effect on the lungs. The answers may be coming ̵