Killing Viruses with UV!
Channel: Naomi Wu
Date: 2022-04-01

Death from above! Death to viruses that is. I’ve created an Open Source Upper Room UVGI light fixture. I talk about the advantages and risks, how to mitigate that risk and what is required for safe installation.

Due to potential safety issues, I’m not posting the files until I get more professional feedback. If you’d like to have them, please email URUVGI@machineryenchantress.com. Let me know where you are and what use case you have in mind. I’ll do my best to help.

Big Clive’s channel is here: https://www.youtube.com/c/Bigclive/
And you can see all his UV videos here: https://www.youtube.com/results?search_query=big+clive+UV

Edward Nardell, MD - COVID-19 Spread: A Role For Air Disinfection
https://youtu.be/dAJCI0pcVKY?t=790

Citations:

**Corsi-Rosenthal Box**
https://cleanaircrew.org/boxfanfilterfaq/
https://edgecollective.io/airbox/

**UVGI**
Rapid and complete inactivation of SARS-CoV-2 by ultraviolet-C irradiation
https://www.nature.com/articles/s41598-020-79600-8

Not all wavelengths are created equal: disinfection of SARS-CoV-2 using UVC radiation is wavelength-dependent
https://doi.org/10.1099/acmi.0.000276
https://www.microbiologyresearch.org/content/journal/acmi/10.1099/acmi.0.000276

ASHRAE: Ultraviolet Germicidal Irradiation Current Best Practices
https://www.ashrae.org/file%20library/technical%20resources/covid-19/martin.pdf

A Need to Revise Human Exposure Limits for Ultraviolet UV-C Radiation
https://doi.org/10.1111/php.13402
https://onlinelibrary.wiley.com/doi/full/10.1111/php.13402

How Do UV Light Air Purifiers Work and Can They Kill Viruses?
https://smartairfilters.com/en/blog/uv-light-air-purifiers-uvgi-far-uv-covid-delta-virus/

Ultraviolet Germicidal Irradiation Safety Concerns: A Lesson from the Tuberculosis Ultraviolet Shelter Study Murphy’s Law Affirmed
https://doi.org/10.1111/php.12034
https://sci-hub.hkvisa.net/10.1111/php.12034

**Upper Room UVGI**

CDC: Upper-Room Ultraviolet Germicidal Irradiation (UVGI)
https://www.cdc.gov/coronavirus/2019-ncov/community/ventilation/uvgi.html

Upper Room Germicidal Ultraviolet Systems for Air Disinfection Are Ready for Wide Implementation 
https://doi.org/10.1164/rccm.201505-0927ED   
https://www.atsjournals.org/doi/10.1164/rccm.201505-0927ED

Air Disinfection for Airborne Infection Control with a Focus on COVID-19: Why Germicidal UV is Essential https://doi.org/10.1111/php.13421
https://onlinelibrary.wiley.com/doi/10.1111/php.13421

Engineering mitigations limit infection from COVID-19
https://www.csemag.com/articles/engineering-mitigations-limit-infection-from-covid-19/

Environmental Control for Tuberculosis: Basic Upper-Room Ultraviolet Germicidal Irradiation Guidelines for Healthcare Settings
https://www.cdc.gov/niosh/docs/2009-105/pdfs/2009-105.pdf

Upper room ultraviolet germicidal irradiation (UVGI) system
https://medicalguidelines.msf.org/viewport/TUB/latest/appendix-19-upper-room-ultraviolet-germicidal-irradiation-uvgi-system-20324482.html

Upper-room ultraviolet air disinfection might help to reduce COVID-19 transmission in buildings
https://doi.org/10.1101/2020.06.12.20129254
https://www.medrxiv.org/content/10.1101/2020.06.12.20129254v1.full

Safety of Upper-Room Ultraviolet Germicidal Air Disinfection for Room Occupants: Results from the Tuberculosis Ultraviolet Shelter Study
https://dx.doi.org/10.1177%2F003335490812300108
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2099326/

2016 ASHRAE Handbook—HVAC Systems and Equipment
CHAPTER 17 - ULTRAVIOLET LAMP SYSTEMS
https://www.ashrae.org/file%20library/technical%20resources/covid-19/i-p_s16_ch17.pdf

Germicidal UV Upper-Air - Commissioning and Ongoing Maintenance Measurement Guidelines
https://www.assets.signify.com/is/content/Signify/Assets/alkco/20210428-commissioning-and-ongoing-maintenance-measurement-guidelines.pdf

Numerical Investigation of Upper-Room UVGI Disinfection Efficacy in an Environmental Chamber with a Ceiling Fan
https://doi.org/10.1111/php.12039
https://sci-hub.ru/10.1111/php.12039

**Fecal Aerosol Transmission**

CDC Fecal Source Transmission
https://www.cdc.gov/library/covid19/pdf/2020-09_08-Science-Update_FINAL_public-v2.pdf

Probable Evidence of Fecal Aerosol Transmission of SARS-CoV-2 in a High-Rise Building
https://www.acpjournals.org/doi/10.7326/M20-0928

Infectious SARS-CoV-2 in Feces of Patient with Severe COVID-19
https://wwwnc.cdc.gov/eid/article/26/8/20-0681_article
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