The official number of people who have died after suffering from lung injuries linked to the use of vape pens and e-cigarettes has risen to 64.
The U.S. Centers for Disease Control and Prevention said the deaths have been confirmed in 28 states and the District of Columbia as of Feb. 4. Four of those deaths occurred in the last three weeks, and more deaths are currently under investigation.
A total of 2,758 hospitalizations have been reported to the CDC from across all 50 states, and D.C., Puerto Rico and the U.S. Virgin Islands.
