ArticleJournal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy2023
Assessment of environmental surface contamination with SARS-CoV-2 in concert halls and banquet rooms in Japan.
Article in Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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13 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAlthough crowds are considered to be a risk factor for SARS-CoV-2 transmission, little is known about the changes in environmental surface contamination with the virus when a large number of people attend an event. In this study, we evaluated the changes in environmental surface contamination with SARS-CoV-2.
methodsEnvironmental samples were collected from concert halls and banquet rooms before and after events in February to April 2022 when the 7-day moving average of new COVID-19 cases in Tokyo was reported to be 5000-18000 cases per day. In total, 632 samples were examined for SARS-CoV-2 by quantitative reverse transcription polymerase chain reaction (RT-qPCR) tests, and RT-qPCR-positive samples were subjected to a plaque assay.
resultsThe SARS-CoV-2 RNA detection rate before and after the events ranged from 0% to 2.6% versus 0%-5.0% in environmental surface samples, respectively. However, no viable viruses were isolated from all RT-qPCR-positive samples by the plaque assay. There was no significant increase in the environmental surface contamination with SARS-CoV-2 after these events.
conclusionsThese findings revealed that indirect contact transmission from environmental fomite does not seem to be of great magnitude in a community setting.
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