Coronavirus: Are jets' HEPA filters capable of removing particulates?
Real-world data show that filters clean COVID-causing virus from air
Can 10× cheaper, lower-efficiency particulate air filters and box fans complement High-Efficiency Particulate Air (HEPA) purifiers to help control the COVID-19 pandemic? - ScienceDirect
Can HEPA Air Purifiers Capture the Coronavirus? | Wirecutter
What is a HEPA Filter - How HEPA Filtration Works
HEPA - Wikipedia
Air Purifiers, Winter, and COVID-19 - microCOVID Project
Research on HEPA filters and COVID is slim, but some experts are optimistic | CBC Radio
What is a HEPA Filter - How HEPA Filtration Works
Ventilation Can Reduce COVID-19 Risk | Yale School Of Public Health
COVID-19 | Research groups | Imperial College London
The Importance of HEPA Filtration in Hospital HVAC Systems
Potential Tools to Help Protect Against the Coronavirus (COVID-19) - Sentry Air Systems, Inc.