Air purification — Luchtreiniging — Purificaton d’air — HEPA

1. CDC

2. California Department of Public Health

3. Univ. Stuttgart

4. Testing mobile air purifiers in a school classroom: Reducing the airborne transmission risk for SARS-CoV-2

5. The removal of airborne SARS-CoV-2 and other microbial bioaerosols by air filtration on COVID-19 surge units

6. Real-world data show that filters clean COVID-causing virus from air

7. Use of portable air cleaners to reduce aerosol transmission on a hospital coronavirus disease 2019 (COVID-19) ward

8. Ventilation and air cleaning to limit aerosol particle concentrations in a gym during the COVID-19 pandemic

9. VITO (Vlaamse Instelling voor Technologisch Onderzoek) — Flemish Institute for Technological Research

10. Harvard T. Chan School of Public Health

11. THE LANCET COVID-19 COMMISSION

12. SARS-CoV-2 aerosol transmission in schools: the effectiveness of different interventions

13. Air filters on Addenbrooke’s wards removed nearly all traces of airborne Covid-19 virus, Cambridge University Hospitals study shows

14. Are the Portable Air Cleaners (PAC) really effective to terminate airborne SARS-CoV-2?

15. Aanbevelingen voor de praktische implementatie en bewaking van ventilatie en binnenluchtkwaliteit in het kader van COVID-19 Taskforce Ventilatie Version 2.O — 12 juli 2O21

16. Performance analysis of portable HEPA filters and temporary plastic anterooms on the spread of surrogate coronavirus

17. Hidden hazards of SARS-CoV-2 transmission in hospitals: A systematic review

18. Efficacy of Ventilation, HEPA Air Cleaners, Universal Masking, and Physical Distancing for Reducing Exposure to Simulated Exhaled Aerosols in a Meeting Room

The coloration has been normalized to the concentration range observed among all trials, denoting purple as the lowest area sampler concentration and yellow as the highest. (A) HVAC system ventilation set at 2 ACH without HEPA augmentation; (B) one HEPA air cleaner placed in the back; © one HEPA air cleaner placed in the front; (D) two HEPA air cleaners placed in the front and back; (E) two HEPA air cleaners placed at the sides; (F) two HEPA air cleaners placed at the sides and raised upon 0.8 m tables; and (G) two HEPA air cleaners placed in the center of the room behind the aerosol source.

19. Transmission and reduction of aerosols in classrooms using air purifier systems

20. Quebec: Number of cases in schools with air purifiers is three to four times lower.

21. Effectiveness of In-Room Air Filtration and Dilution ventilation for Tuberculosis Infection control. (1996)

https://shellym80304.files.wordpress.com/2020/06/miller-leiden-et-al-1996.pdf

22. Air purifiers for schools: study results pave the way for long-term Corona strategy

23. Quantifying environmental mitigation of aerosol viral load in a controlled chamber with participants diagnosed with COVID-19

Warning concerning ionisation— plasma — UV

The Lancet COVID19 Commission

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