On Thursday, US Department of Health officials reported two more deaths associated with vaping from a mysterious respiratory illness, bringing the total to 57 deaths.
As of January 7, 41 new cases of e-cigarette use were reported in the Centers for Disease Control and Prevention (CDC). The number of people hospitalized now is 2,602.
The agency released a series of reports last month that said the spread of lung fever injuries was decreasing, as evidence suggests that a bite used in marijuana vapor cartridges. Agent Vitamin E is playing a role in acetate diseases.
The CDC has called vitamin e-acetate a "chemical of concern" and recommended that the substance not be included in e-cigarettes, or volatile products, while an investigation is underway.