期刊
CLINICAL MICROBIOLOGY AND INFECTION
卷 26, 期 11, 页码 1520-1524出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cmi.2020.07.020
关键词
Saliva; SARS-CoV-2; Shedding; Stool; Urine
资金
- Korea Research Institute of Bioscience and Biotechnology (KRIBB) Research Initiative Program [KGM9942011]
- National Research Council of Science & Technology (NST), Republic of Korea [KGM9942011] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Objectives: The aim was to determine whether various clinical specimens obtained from COVID-19 pa-tients contain the infectious virus. Methods: To demonstrate whether various clinical specimens contain the viable virus, we collected naso/ oropharyngeal swabs and saliva, urine and stool samples from five COVID-19 patients and performed a quantitative polymerase chain reaction (qPCR) to assess viral load. Specimens positive with qPCR were subjected to virus isolation in Vero cells. We also used urine and stool samples to intranasally inoculate ferrets and evaluated the virus titres in nasal washes on 2, 4, 6 and 8 days post infection. Results: SARS-CoV-2 RNA was detected in all naso/oropharyngeal swabs and saliva, urine and stool samples collected between days 8 and 30 of the clinical course. Notably, viral loads in urine, saliva and stool samples were almost equal to or higher than those in naso/oropharyngeal swabs (urine 1.08 +/- 0.16-2.09 +/- 0.85 log(10) copies/mL, saliva 1.07 +/- 0.34-1.65 +/- 0.46 log(10) copies/mL, stool 1.17 +/- 0.32 log(10) copies/mL, naso/oropharyngeal swabs 1.18 +/- 0.12-1.34 +/- 0.30 log(10) copies/mL). Further, viable SARSCoV-2 was isolated from naso/oropharyngeal swabs and saliva of COVID-19 patients, as well as nasal washes of ferrets inoculated with patient urine or stool. Discussion: Viable SARS-CoV-2 was demonstrated in saliva, urine and stool samples from COVID-19 patients up to days 11-15 of the clinical course. This result suggests that viable SARS-CoV-2 can be secreted in various clinical samples and respiratory specimens. (c) 2020 The Author(s). Published by Elsevier Ltd on behalf of European Society of Clinical Microbiology and Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/).
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据