Most Air Purifiers Haven’t Been Tested on Humans. That’s a Problem air cleaning devices COVID-19 Health HEPA filters infectious diseases Uncategorized Most Air Purifiers Haven’t Been Tested on Humans. That’s a Problem admin August 25, 2025 New research exposes a startling lack of real-world testing for air-cleaning tech meant to fight airborne infections. Read More Read more about Most Air Purifiers Haven’t Been Tested on Humans. That’s a Problem