A health-surveillance system put in place after the terrorist attacks of September 2001 has been used to pinpoint the cause of the vaping-related lung injuries that have killed 54 Americans and sent more than 2,500 people to the hospital.
A health-surveillance system put in place after the terrorist attacks of September 2001 has been used to pinpoint the cause of the vaping-related lung injuries that have killed 54 Americans and sent more than 2,500 people to the hospital.