E-cigarette-related fires and explosions are a risk to people and pets. Some events have resulted in life-threatening injury, and permanent disfigurement or disability.
Reif, J., Dunn, K., Ogilvie, G., & Harris, C. (1992). Passive Smoking and Canine Lung Cancer Risk. American Journal Of Epidemiology, 135(3), 234-239.
Be Smoke-free and Help Your Pets Live Longer, Healthier Lives. U.S. Food and Drug Administration. (2017).