CDC and FDA analyzed data from the 2020 National Youth Tobacco Survey to assess e-cigarette use among middle school students, including information on device type used, and flavor of pods or cartridges used.
Wang, T. W., et al. (2020). E-cigarette Use Among Middle and High School Students - United States, 2020. Morbidity and Mortality Weekly Report, 69(37): 1310-1312. https://www.cdc.gov/mmwr/volumes/69/wr/mm6937e1.htm?s_cid=mm6937e1_w