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Article ; Online: Ultraviolet and COVID-19 pandemic.

Türsen, Ümit / Türsen, Belma / Lotti, Torello

2020 Volume 19, Issue 9, Page(s) 2162–2164

Abstract: ... phototherapy problems and also alternative options for dermatologists, ultraviolet treatment against COVID-19 ... Background: COVID-19 virus causes coronavirus disease.: Aims: It is a highly contagious ... virus, and vitamin D-associated problems in these coronavirus days. ...

Abstract	Background: COVID-19 virus causes coronavirus disease. Aims: It is a highly contagious viral infection. Patients/methods/results/conclusion: In this article, we will discuss the potential phototherapy problems and also alternative options for dermatologists, ultraviolet treatment against COVID-19 virus, and vitamin D-associated problems in these coronavirus days.
MeSH term(s)	COVID-19/prevention & control ; Disinfection/methods ; Humans ; SARS-CoV-2/radiation effects ; Skin Diseases/therapy ; Ultraviolet Rays/adverse effects ; Ultraviolet Therapy ; Vitamin D/blood ; Vitamin D Deficiency/therapy
Chemical Substances	Vitamin D (1406-16-2)
Keywords	covid19
Language	English
Publishing date	2020-07-08
Publishing country	England
Document type	Journal Article ; Review
ZDB-ID	2280551-5
ISSN	1473-2165 ; 1473-2130
ISSN (online)	1473-2165
ISSN	1473-2130
DOI	10.1111/jocd.13559
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Article: 25(OH)D levels during the COVID-19 pandemic: impact of lockdown and ultraviolet radiation.

Ramírez-Stieben, Luis A / Nollas, Fernando / Gloria, Suita / Belardinelli, Marina V / Pustilnik, Estefanía / Bolzán, Diamela / Feldman, Rodolfo N

Gaceta medica de Mexico

2023 Volume 159, Issue 3, Page(s) 185–193

Abstract: Background: Home confinement policies during the COVID-19 pandemic limited sun exposure and ... of 2019. UVDVC did not vary between 2019 and 2020.: Conclusions: The restrictions due to the COVID-19 ... may have influenced on vitamin D levels.: Objective: To assess changes in 25(OH)D during the COVID-19 ...

Title translation	Niveles de 25(OH)D durante la pandemia de COVID-19: impacto del confinamiento y la radiación ultravioleta.
Abstract	Background: Home confinement policies during the COVID-19 pandemic limited sun exposure and may have influenced on vitamin D levels. Objective: To assess changes in 25(OH)D during the COVID-19 pandemic and the impact of Mandatory Preventive Social Isolation (MPSI) on UV radiation recommended dose modified by clouds for the synthesis of vitamin D (UVDVC). Material and methods: A retrospective study was carried out on 15,908 patients in whom the level of 25(OH)D was determined between January 2019 and December 2021 in a centralized laboratory in Rosario, Argentina. Results: Lower levels of 25(OH)D were documented in people younger than 40 years during 2020, as well as a variation during the pandemic period, with lower values in the first wave. Lower levels of 25(OH)D were recorded in the post-MPSI period in comparison with the MPSI period (p < 0.00001), in addition to a higher frequency of hypovitaminosis D (48.6% vs. 36.1%). These differences were not observed in the comparison of the same periods of 2019. UVDVC did not vary between 2019 and 2020. Conclusions: The restrictions due to the COVID-19 pandemic led to a higher frequency of hypovitaminosis D and lower frequency of optimal values.
MeSH term(s)	Humans ; Ultraviolet Rays ; COVID-19/epidemiology ; COVID-19/prevention & control ; Pandemics ; Retrospective Studies ; Communicable Disease Control ; Vitamin D ; Vitamin D Deficiency/epidemiology
Chemical Substances	25-hydroxyvitamin D (A288AR3C9H) ; Vitamin D (1406-16-2)
Language	English
Publishing date	2023-08-01
Publishing country	Mexico
Document type	Journal Article
ZDB-ID	425456-9
ISSN	0016-3813
ISSN	0016-3813
DOI	10.24875/GMM.M23000770
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Article ; Online: Ultraviolet and COVID‐19 pandemic

Türsen, Ümit / Türsen, Belma / Lotti, Torello

Journal of Cosmetic Dermatology

2020 Volume 19, Issue 9, Page(s) 2162–2164

Keywords	Dermatology ; covid19
Language	English
Publisher	Wiley
Publishing country	us
Document type	Article ; Online
ZDB-ID	2280551-5
ISSN	1473-2130
ISSN	1473-2130
DOI	10.1111/jocd.13559
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Article: Ultraviolet and COVID-19 pandemic

Türsen, Ümit / Türsen, Belma / Lotti, Torello

Abstract: ... problems and also alternative options for dermatologists, ultraviolet treatment against COVID-19 virus, and ... BACKGROUND: COVID-19 virus causes coronavirus disease. AIMS: It is a highly contagious ...

Abstract	BACKGROUND: COVID-19 virus causes coronavirus disease. AIMS: It is a highly contagious viral infection. PATIENTS/METHODS/RESULTS/CONCLUSION: In this article, we will discuss the potential phototherapy problems and also alternative options for dermatologists, ultraviolet treatment against COVID-19 virus, and vitamin D-associated problems in these coronavirus days.
Keywords	covid19
Publisher	WHO
Document type	Article
Note	WHO #Covidence: #648610
Database	COVID19

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Article ; Online: Skin and eye protection against ultraviolet C from ultraviolet germicidal irradiation devices during the COVID-19 pandemic.

Lyons, Alexis B / Narla, Shanthi / Torres, Angeli E / Parks-Miller, Angela / Kohli, Indermeet / Ozog, David M / Lim, Henry W / Hamzavi, Iltefat H

International journal of dermatology

2020 Volume 60, Issue 4, Page(s) 391–393

Abstract: With the COVID-19 pandemic depleting personal protective equipment worldwide, various methods ... adverse effects generally limited to the eyes and skin. Our hospitals are currently using UVC devices ... for N95 decontamination with a few reported cases of face and neck erythema from exposure ...

Abstract	With the COVID-19 pandemic depleting personal protective equipment worldwide, various methods including ultraviolet C (UVC) germicidal irradiation (UVGI) have been implemented to decontaminate N95 filtering facepiece respirators. These devices pose a risk for UVC exposure to the operator with reported adverse effects generally limited to the eyes and skin. Our hospitals are currently using UVC devices for N95 decontamination with a few reported cases of face and neck erythema from exposure. Because sunscreens are designed and tested for UVA and UVB protection only, their effects on blocking UVC are largely unknown. Therefore, our objective was to determine if various sunscreens, UV goggles, and surgical mask face shields minimize UVC exposure from UVGI devices. Our study clearly demonstrated that healthcare workers responsible for the disinfection of PPE using UVGI devices should always at least utilize clear face shields or UV goggles and sunscreen to protect against side effects of UVC exposure.
MeSH term(s)	COVID-19/prevention & control ; Conjunctivitis/prevention & control ; Disinfection/methods ; Equipment Contamination/prevention & control ; Equipment Reuse ; Humans ; Keratitis/prevention & control ; Occupational Diseases/prevention & control ; Occupational Exposure/adverse effects ; Occupational Exposure/prevention & control ; Pandemics ; Personal Protective Equipment ; Skin Diseases/prevention & control ; Sunscreening Agents/administration & dosage ; Ultraviolet Rays/adverse effects
Chemical Substances	Sunscreening Agents
Language	English
Publishing date	2020-12-01
Publishing country	England
Document type	Journal Article
ZDB-ID	412254-9
ISSN	1365-4632 ; 0011-9059 ; 1461-1244
ISSN (online)	1365-4632
ISSN	0011-9059 ; 1461-1244
DOI	10.1111/ijd.15255
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Article: [PHOTOKERATITIS AS RESULT OF DOMESTIC EXPOSURE TO ULTRAVIOLET-C (UVC) LIGHT].

Raviv Sasportas, Eshchar / Rotstein, Talyah / Kleinman, Guy / Avizemer, Hagay

Harefuah

2024 Volume 163, Issue 5, Page(s) 295–297

Abstract: ... of bilateral photokeratitis due to the improper usage of UV lamps during the first outbreak of COVID-19 ... the first outbreak of COVID-19 in Israel.: Results: A total of four patients presented ... to disinfect their domestic and public surroundings. One of the sanitation options included the usage ...

Abstract	Introduction: During the global outbreak of coronavirus disease 2019 pandemic, people sought ways to disinfect their domestic and public surroundings. One of the sanitation options included the usage of ultraviolet-C (UVC) lamps since UVC radiation has been shown to effectively inactivate the SARS-Coronavirus. UVC radiation may also be effective against the SARS-CoV-2 virus. Here we report four cases of bilateral photokeratitis due to the improper usage of UV lamps during the first outbreak of COVID-19 in Israel. Methods: We collected 4 case reports from patients who were diagnosed with bilateral photokeratitis due to improper usage of UV lamps in their domestic environment from May to December 2020 during the first outbreak of COVID-19 in Israel. Results: A total of four patients presented with signs and symptoms of bilateral photokeratitis after exposure to UV lamps. Discussion: Acute exposure of UVC to the cornea may cause "burns", known as photokeratitis. The signs of photokeratitis usually appear a few hours after the exposure. Precautious steps to educate the population must include using protective eyewear in any exposure to UV light and avoiding the use of germicidal lamps in public locations with exposure to the population.
MeSH term(s)	Humans ; Ultraviolet Rays/adverse effects ; COVID-19/prevention & control ; Male ; Israel/epidemiology ; Female ; Keratitis/etiology ; Middle Aged ; Adult
Language	Hebrew
Publishing date	2024-05-11
Publishing country	Israel
Document type	Journal Article ; Case Reports ; English Abstract
ZDB-ID	953872-0
ISSN	0017-7768
ISSN	0017-7768
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Article ; Online: Evaluation of Germicidal Ultraviolet-C disinfection in a Real-World Outpatient Healthcare Environment.

Challener, Douglas W / Tande, Aaron J / Koutras, Carolina / Wade, Richard L / McIntee, Maggie A / Strauss, David M / Yao, Xiaoxi / Chang, Yu-Hui / Berbari, Elie

American journal of infection control

2024

Abstract: Background: The COVID-19 pandemic has highlighted the need for effective infection control ... disinfection systems in real-world outpatient environments.: Methods: We deployed upper-room and far-UV GUV ... fixtures in three outpatient facilities, assessing their impact on bacterial loads through air and surface ...

Abstract	Background: The COVID-19 pandemic has highlighted the need for effective infection control in outpatient healthcare settings. Germicidal Ultraviolet-C (GUV) light, known for inactivating microorganisms by damaging their DNA or RNA, offers a potential solution. This study examines the efficacy of GUV air disinfection systems in real-world outpatient environments. Methods: We deployed upper-room and far-UV GUV fixtures in three outpatient facilities, assessing their impact on bacterial loads through air and surface sampling and bioindicator tests. Occupancy was also monitored. Results: While manual air and surface sampling did not show a significant difference in bacterial loads between control and UV-C-treated groups, bioindicator tests demonstrated a high level of spore inactivation (up to 99.7% for upper-room GUV and 96.26% for far-UV). Occupancy levels did not significantly influence these outcomes. Discussion: The discrepancy between bioindicator efficacy and environmental sampling results suggests limitations in the latter's ability to accurately capture environmental bioburden. Bioindicators proved to be reliable for in-situ validation of UV-C surface disinfection. Conclusions: Bioindicators are effective for validating GUV surface disinfection efficacy in healthcare settings, though further research is needed to optimize environmental sampling methods for assessing GUV's impact on real-world bacterial loads.
Language	English
Publishing date	2024-05-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	392362-9
ISSN	1527-3296 ; 0196-6553
ISSN (online)	1527-3296
ISSN	0196-6553
DOI	10.1016/j.ajic.2024.05.014
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Article ; Online: Ozone Generation by Ultraviolet Lamps

Claus, Holger

Photochemistry and photobiology

2021 Volume 97, Issue 3, Page(s) 471–476

Abstract: The COVID-19 pandemic has generated a great deal of interest in ultraviolet germicidal irradiation ... UVGI) as an important means to disinfect air and surfaces. The traditional lamp employed for UVGI has ... misunderstanding with regard to the actual generation and dissipation of ozone molecules by UV-C lamps. A review ...

Abstract	The COVID-19 pandemic has generated a great deal of interest in ultraviolet germicidal irradiation (UVGI) as an important means to disinfect air and surfaces. The traditional lamp employed for UVGI has been the low-pressure mercury-discharge lamp that emits primarily at 254 nm in the ultraviolet photobiological band UV-C (100-280 nm). The recent development of even shorter-wavelength UV-C lamps, such as the Krypton-Chloride, 222-nm lamp, has led to greater concerns about the UV-C generation of ozone. It is well known that wavelengths below 240 nm more readily generate ozone. However, there is a great misunderstanding with regard to the actual generation and dissipation of ozone molecules by UV-C lamps. A review of this subject is much warranted. An overview of the ozone generation of various UV-C light sources is presented to give users a better understanding of risk and how to assure control of ozone when employing UV-C lamps.
Language	English
Publishing date	2021-02-22
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	123540-0
ISSN	1751-1097 ; 0031-8655
ISSN (online)	1751-1097
ISSN	0031-8655
DOI	10.1111/php.13391
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Article ; Online: Ultraviolet-C radiation: A supplemental tool for disinfection.

Smith, Mairead

Nursing

2022 Volume 52, Issue 6, Page(s) 35–39

Abstract: Abstract: In response to the COVID-19 pandemic, healthcare facilities have purchased more ... ultraviolet-C (UVC) disinfection devices than in previous years. This article discusses the safety and ...

Abstract	Abstract: In response to the COVID-19 pandemic, healthcare facilities have purchased more ultraviolet-C (UVC) disinfection devices than in previous years. This article discusses the safety and efficacy of UVC disinfection in healthcare settings.
MeSH term(s)	COVID-19/epidemiology ; COVID-19/prevention & control ; Disinfection ; Humans ; Pandemics/prevention & control ; SARS-CoV-2 ; Ultraviolet Rays/adverse effects
Language	English
Publishing date	2022-05-21
Publishing country	United States
Document type	Journal Article
ZDB-ID	197895-0
ISSN	1538-8689 ; 0360-4039
ISSN (online)	1538-8689
ISSN	0360-4039
DOI	10.1097/01.NURSE.0000829900.60122.4c
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Article ; Online: Mask Reuse in the COVID-19 Pandemic: Creating an Inexpensive and Scalable Ultraviolet System for Filtering Facepiece Respirator Decontamination.

Gilbert, Rachel M / Donzanti, Michael J / Minahan, Daniel J / Shirazi, Jasmine / Hatem, Christine L / Hayward-Piatkovskyi, Brielle / Dang, Allyson M / Nelson, Katherine M / Bothi, Kimberly L / Gleghorn, Jason P

Global health, science and practice

2020 Volume 8, Issue 3, Page(s) 582–595

Abstract: As the current COVID-19 pandemic illustrates, not all hospitals and other patient care facilities ... the spread of COVID-19. These bulbs may also be available in existing medical centers ... untapped and sitting unused in public and private research facilities during the pandemic. The freely ...

Abstract	As the current COVID-19 pandemic illustrates, not all hospitals and other patient care facilities are equipped with enough personal protective equipment to meet the demand in a crisis. Health care workers around the world use filtering facepiece respirators to protect themselves and their patients, yet during this global pandemic they are forced to reuse what are intended to be single-use masks. This poses a significant risk to these health care workers along with the people they are trying to protect. Ultraviolet germicidal irradiation (UVGI) has been validated previously as a method to effectively decontaminate these masks between use. However, not all facilities have access to the expensive commercial ultraviolet type C (UV-C) lamp decontamination equipment required for UVGI. UV-C bulbs are sitting idle in biosafety cabinets at universities and research facilities around the world that have been shuttered to slow the spread of COVID-19. These bulbs may also be available in existing medical centers where infectious diseases are commonly treated. We developed a method to modify existing light fixtures or create custom light fixtures that are compatible with new or existing UV-C bulbs. This system is scalable; can be created for less than US$50, on site and at the point of need; and leverages resources that are currently untapped and sitting unused in public and private research facilities during the pandemic. The freely accessible design can be easily modified for use around the world. Health care facilities can obtain this potentially lifesaving UVGI resource with minimal funds by collaborating with research facilities to obtain the UV-C meters and UV-C bulbs if they are unavailable from other sources. Although mask reuse is not ideal, we must do what we can in emergency situations to protect our health care workers responding to the pandemic and the communities they serve.
MeSH term(s)	Betacoronavirus ; COVID-19 ; Coronavirus Infections/prevention & control ; Decontamination/methods ; Humans ; Pandemics/prevention & control ; Pneumonia, Viral/prevention & control ; Respiratory Protective Devices ; SARS-CoV-2 ; Ultraviolet Rays
Keywords	covid19
Language	English
Publishing date	2020-09-30
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, U.S. Gov't, Non-P.H.S. ; Review
ZDB-ID	2710875-2
ISSN	2169-575X ; 2169-575X
ISSN (online)	2169-575X
ISSN	2169-575X
DOI	10.9745/GHSP-D-20-00218
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