Irish doctors they are closely watching developments in the US as health authorities there warn of an outbreak of severe lung disease among vapers.
The Centers for Disease Control and Prevention (CDC) has said more than 450 people across 25 States who reported recent use of e-cigarettes have fallen ill in the US.
Initial symptoms included breathing difficulty and chest pain before some were hospitalised and placed on ventilators.
Several teenagers have been placed in medically induced comas.
Let’s hope they get to the bottom of the issue as soon as possible.