American Journal of Infection Control, volume 48, issue 10, pages 1273-1275

Susceptibility of SARS-CoV-2 to UV irradiation

Christiane Silke Heilingloh ¹

Ulrich W Aufderhorst ^{2, 3}

Leonie Schipper ¹

U. Dittmer ^{4, 5}

O. Witzke ¹

Dong-Liang Yang ^{5, 6}

Xin Zheng ⁶

Kathrin Sutter ⁴

Mirko Trilling ⁴

Mira Alt ¹

Eike Steinmann ⁷

Adalbert Krawczyk ⁴

Show full list: 12 authors

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Department of Infectious Diseases, West German Centre of Infectious Diseases, Universitätsmedizin Essen, University Duisburg-Essen. Germany. |

Department of Infectious Diseases, West German Centre of Infectious Diseases, Universitätsmedizin Essen, University Duisburg-Essen, Germany |

Institute for Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany. |

⁴

Institute for Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany |

⁵

Wuhan-Essen Joint International Laboratory of Infection and Immunity, Essen, Germany. |

⁶

Hust Huazhong University of Science & Technology, Wuhan Union Hospital, Department of Infectious Diseases, Wuhan, China |

⁷

Department of Molecular and Medical Virology Faculty of Medicine Ruhr University Bochum Bochum Germany |

Publication type: Journal Article

Publication date: 2020-10-01

Elsevier

Journal: American Journal of Infection Control

scimago Q1

SJR: 0.959

CiteScore: 9.0

Impact factor: 3.8

ISSN: 01966553, 15273296

DOI: 10.1016/j.ajic.2020.07.031

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Infectious Diseases

Public Health, Environmental and Occupational Health

Health Policy

Epidemiology

Abstract

The coronavirus SARS-CoV-2 pandemic became a global health burden. We determined the susceptibility of SARS-CoV-2 to irradiation with ultraviolet light. The virus was highly susceptible to ultraviolet light. A viral stock with a high infectious titer of 5 × 106 TCID50/mL was completely inactivated by UVC irradiation after nine minutes of exposure. The UVC dose required for complete inactivation was 1,048 mJ/cm2. UVA exposure demonstrated only a weak effect on virus inactivation over 15 minutes. Hence, inactivation of SARS-CoV-2 by UVC irradiation constitutes a reliable method for disinfection purposes in health care facilities and for preparing SARS-CoV-2 material for research purpose.

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