These transmissions occurred within enclosed spaces that had inadequate ventilation.
When used properly, air purifiers can help reduce airborne contaminants including viruses in a home or confined space.
Poor indoor air quality can cause a stuffy nose, sore throat, coughing or wheezing, headache, burning eyes, or skin rash.
Information on how effective in-room air cleaners are and when they should be used.
Unfiltered air can look clean. It isn't. In normal times, the air around us can — and does — cause serious health problems, contributing to infectious disease.