Cases of lung illness linked to vaping increased by nearly 52% to 805 cases, compared to 530 cases reported the previous week, the U.S. Centers for Disease Control and Prevention said Sept. 24.
The CDC, which is investigating the outbreak of lung illnesses related to e-cigarette products, has confirmed 12 deaths in 10 states.
The cases were reported from 46 states and one U.S. territory. About 38% of the cases involve people younger than 21.
All of the cases involve the use of e-cigarette products, the CDC said, adding that the specific cause of the lung injuries is yet to be determined. Many of the cases involve vaping THC, a psychoactive cannabis compound. Other cases involve THC and nicotine and others only nicotine, the agency said.
On Sept. 24, the CDC told a congressional subcommittee to expect more cases of injury and death associated with vaping.
Recently, Michigan, New York and San Francisco banned e-cigarettes and vaping products. Massachusetts put a four-month ban on e-cigarettes and cannabis vaping products.
The CDC has urged people to stop using e-cigarette products until it completes the ongoing investigation.
