E cigarette users who test positive for COVID 19 are more likely to experience COVID 19 symptoms The Dirty Truth Triple threat: COVID, smoking and mountain cedar pollen UT Health San Antonio How the COVID 19 crisis could be the best time for parents to help kids quit vaping GMA News Online Smoking or vaping is not allowed on any flight to or from the United States. You can carry an e cig in your hand luggage, but you cannot use it in the cabin. COVID 19 changes teens' and young adults' use and access to e cigarettes NHLBI, NIH Estimating the association between cigarette and e cigarette use patterns and SARS CoV 2 negative conversion time: retrospective online survey in China BMC Infectious Diseases Springer Nature Link