KEY POINTS
  • The CDC confirms 1,080 probable cases of a deadly vaping illness across the U.S.
  • U.S. health officials confirm 18 deaths, with more fatalities under investigation.
  • Of the 578 cases where doctors know what patients were using, roughly 78% of the patients said they vaped THC, the active ingredient in marijuana.
A woman smokes an E-Cigarette at Digital Ciggz in San Rafael, California.

The number of cases of a deadly vaping illness continues to rise "at a brisk pace" with 18 confirmed deaths and more than 1,000 cases throughout the U.S., according to the Centers for Disease Control and Prevention.

The CDC has identified 275 new cases over the last week and is investigating several other deaths that are suspected of being caused by vaping, Dr. Anne Schuchat, the CDC's principle deputy director, told reporters on a conference call Thursday.