Focus
air filters
Study Suggests Air Filters Ineffective Against COVID and Other Respiratory Infections; Some Experts Disagree
Air filters flew off the shelves during the pandemic, but research questioned their efficacy in preventing infections. One expert has a different take.
|
Study Suggests Air Filters Ineffective Against COVID and Other Respiratory Infections; Some Experts Disagree
Air filters flew off the shelves during the pandemic, but research questioned their efficacy in preventing infections. One expert has a different take.
|