Eighteen people in the US have died after vaping, the Centers for Disease Control and Prevention reported on Thursday.
There are now 1,080 cases of vaping related illnesses across the US.
For the first time, health officials are urging all Americans to 'refrain from vaping,' they they said in a Thursday telebriefing that they do not want former smokers who now vape to return to combustible cigarettes.
Although the clearest links continue to be be to black market and THC e-cigarettes, the CDC and Food and Drug Administration say that cases are not limited to these products.
Some 80 percent of the sick Americans are under the age of 35, and 16 percent are teenagers 18 or under.
The total number of confirmed or probable cases across the country is creeping toward 1,000, at 805.
Deaths have occurred in 15 states, with the latest confirmed in Delaware.
Vaping-linked illnesses have led to the deaths of 18 Americans in 15 states (red) the CDC said on Thursday. Another 10,080 are severely ill after using e-cigs, most of which contained THC
Although the outbreak of these mysterious illnesses began in the Midwest, the latest deaths have bee concentrated around the South.
One death has been reported in each Illinois, Indiana, Minnesota, Missouri, Delaware, Mississippi, Oregon, Georgia and Florida, and two people have died in California and Kansas each.
The Centers for Disease Control and Prevention (CDC) said Wednesday it's investigating some 1,000 possible cases of severe pneumonia-like illness traced to e-cigarette use, suggesting the 805 reported Thursday may be the tip of the iceberg.
Sharplesss said that the FDA will not 'ban' flavored e-cigs - but will soon finalize rules to force companies to take these products off the market until they've gone through and been green-lighted by the FDA's pre-market approval process.
He added that, while most of the lung injuries are linked to THC vapes, health officials have not identified a single consistent cause between them.
CDC Deputy Director Ann Schuchat said Wednesday before Congress there will 'probably be hundreds' more cases.
Working with the Drug Enforcement Agency (DEA), the FDA is trying to trace the vapes that have