effect of cigarettes Tobacco and the environment 9 Health Effects of Smoking

Limitations The findings of the present pilot trial should be interpreted considering several limitations, which partly have previously been described in the trial protocol [40]

The suddenness of these cases and their geographic clustering suggest that the cause is not something inherent to commercial e-cigarettes, which have been widely used in multiple countries for more than a decade

Cleaning drapes, upholstery, and other fabrics may help neutralize odors in some capacity

Competing interests The authors of the manuscript declare no conflicts of interest and take sole responsibility for the writing and content of the manuscript