ETS
Smoke that comes from the burning of a tobacco product and smoke that is exhaled by smokers. Inhaling ETS is called involuntary or passive smoking. Also called environmental tobacco smoke and secondhand smoke.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.