HEPA filters

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. High-efficiency particulate air (HEPA) filters and ultraviolet (UV) light sterilization effectively remove SARS-CoV-2 particles from the air — the first such evidence in a real-world test, researchers report in the preprint server medRxiv. The journal Nature reported this week that the