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Estimated Inactivation of Coronaviruses by Solar Radiation With Special Reference to COVID-19.
Photochem Photobiol. 2020 07; 96(4):731-737.PP

Abstract

Using a model developed for estimating solar inactivation of viruses of biodefense concerns, we calculated the expected inactivation of SARS-CoV-2 virus, cause of COVID-19 pandemic, by artificial UVC and by solar ultraviolet radiation in several cities of the world during different times of the year. The UV sensitivity estimated here for SARS-CoV-2 is compared with those reported for other ssRNA viruses, including influenza A virus. The results indicate that SARS-CoV-2 aerosolized from infected patients and deposited on surfaces could remain infectious outdoors for considerable time during the winter in many temperate-zone cities, with continued risk for re-aerosolization and human infection. Conversely, the presented data indicate that SARS-CoV-2 should be inactivated relatively fast (faster than influenza A) during summer in many populous cities of the world, indicating that sunlight should have a role in the occurrence, spread rate and duration of coronavirus pandemics.

Authors+Show Affiliations

US Department of Defense Ringgold Standard Institution-US Army, RETIRED, Annapolis, MD, USA.Department of Health and Human Services Ringgold Standard Institution - Food and Drug Administration, RETIRED, Albuquerque, NM, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32502327

Citation

Sagripanti, Jose-Luis, and C David Lytle. "Estimated Inactivation of Coronaviruses By Solar Radiation With Special Reference to COVID-19." Photochemistry and Photobiology, vol. 96, no. 4, 2020, pp. 731-737.
Sagripanti JL, Lytle CD. Estimated Inactivation of Coronaviruses by Solar Radiation With Special Reference to COVID-19. Photochem Photobiol. 2020;96(4):731-737.
Sagripanti, J. L., & Lytle, C. D. (2020). Estimated Inactivation of Coronaviruses by Solar Radiation With Special Reference to COVID-19. Photochemistry and Photobiology, 96(4), 731-737. https://doi.org/10.1111/php.13293
Sagripanti JL, Lytle CD. Estimated Inactivation of Coronaviruses By Solar Radiation With Special Reference to COVID-19. Photochem Photobiol. 2020;96(4):731-737. PubMed PMID: 32502327.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Estimated Inactivation of Coronaviruses by Solar Radiation With Special Reference to COVID-19. AU - Sagripanti,Jose-Luis, AU - Lytle,C David, Y1 - 2020/07/09/ PY - 2020/05/19/received PY - 2020/06/01/accepted PY - 2020/6/6/pubmed PY - 2020/8/7/medline PY - 2020/6/6/entrez SP - 731 EP - 737 JF - Photochemistry and photobiology JO - Photochem Photobiol VL - 96 IS - 4 N2 - Using a model developed for estimating solar inactivation of viruses of biodefense concerns, we calculated the expected inactivation of SARS-CoV-2 virus, cause of COVID-19 pandemic, by artificial UVC and by solar ultraviolet radiation in several cities of the world during different times of the year. The UV sensitivity estimated here for SARS-CoV-2 is compared with those reported for other ssRNA viruses, including influenza A virus. The results indicate that SARS-CoV-2 aerosolized from infected patients and deposited on surfaces could remain infectious outdoors for considerable time during the winter in many temperate-zone cities, with continued risk for re-aerosolization and human infection. Conversely, the presented data indicate that SARS-CoV-2 should be inactivated relatively fast (faster than influenza A) during summer in many populous cities of the world, indicating that sunlight should have a role in the occurrence, spread rate and duration of coronavirus pandemics. SN - 1751-1097 UR - https://www.unboundmedicine.com/medline/citation/32502327/Estimated_Inactivation_of_Coronaviruses_by_Solar_Radiation_With_Special_Reference_to_COVID_19_ L2 - https://doi.org/10.1111/php.13293 DB - PRIME DP - Unbound Medicine ER -