Article ; Online: Persistence and free chlorine disinfection of human coronaviruses and their surrogates in water.
Applied and environmental microbiology
2024 Volume 90, Issue 4, Page(s) e0005524
Abstract: The coronavirus disease 2019 pandemic illustrates the importance of understanding the behavior and control of human pathogenic viruses in the environment. Exposure via water (drinking, bathing, and recreation) is a known route of transmission of viruses ... ...
Abstract | The coronavirus disease 2019 pandemic illustrates the importance of understanding the behavior and control of human pathogenic viruses in the environment. Exposure via water (drinking, bathing, and recreation) is a known route of transmission of viruses to humans, but the literature is relatively void of studies on the persistence of many viruses, especially coronaviruses, in water and their susceptibility to chlorine disinfection. To fill that knowledge gap, we evaluated the persistence and free chlorine disinfection of human coronavirus OC43 (HCoV-OC43) and its surrogates, murine hepatitis virus (MHV) and porcine transmissible gastroenteritis virus (TGEV), in drinking water and laboratory buffer using cell culture methods. The decay rate constants of human coronavirus and its surrogates in water varied, depending on virus and water matrix. In drinking water without disinfectant addition, MHV showed the largest decay rate constant (estimate ± standard error, 2.25 ± 0.09 day Importance: This study addresses an important knowledge gap on enveloped virus persistence and disinfection in water. Results have immediate practical applications for shaping evidence-based water policies, particularly in the development of disinfection strategies for pathogenic virus control. |
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MeSH term(s) | Animals ; Mice ; Swine ; Humans ; Disinfection/methods ; Chlorine/pharmacology ; Drinking Water ; Disinfectants/pharmacology ; Viruses ; Murine hepatitis virus |
Chemical Substances | Chlorine (4R7X1O2820) ; Drinking Water ; Disinfectants |
Language | English |
Publishing date | 2024-03-21 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 223011-2 |
ISSN | 1098-5336 ; 0099-2240 |
ISSN (online) | 1098-5336 |
ISSN | 0099-2240 |
DOI | 10.1128/aem.00055-24 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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