About: Asymptomatic COVID-19 Patients Can Contaminate Their Surroundings: an Environment Sampling Study

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Asymptomatic COVID-19 Patients Can Contaminate Their Surroundings: an Environment Sampling Study
Creator	Wei, Li Zong, Zhiyong Duan, Xiaofei Huang, Wenzhi Lin, Ji Lu, Xiaojun Zhou, Juan
Source	Medline; PMC
abstract	The contamination of patients’ surroundings by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains understudied. We sampled the surroundings and the air of six negative-pressure non-intensive care unit (non-ICU) rooms in a designated isolation ward in Chengdu, China, that were occupied by 13 laboratory-confirmed coronavirus disease 2019 (COVID-19) patients who had returned from overseas travel, including 2 asymptomatic patients. A total of 44 of 112 (39.3%) surface samples were positive for SARS-CoV-2 as detected by real-time PCR, suggesting extensive contamination, although all of the air samples were negative. In particular, in a single room occupied by an asymptomatic patient, four sites were SARS-CoV-2 positive, highlighting that asymptomatic COVID-19 patients do contaminate their surroundings and impose risks for others with close contact. Placement of COVID-19 patients in rooms with negative pressure may bring a false feeling of safety, and the importance of rigorous environment cleaning should be emphasized. IMPORTANCE Although it has been well recognized that the virus SARS-CoV-2, the causative agent of COVID-19, can be acquired by exposure to fomites, surprisingly, the contamination of patients’ surroundings by SARS-CoV-2 is largely unknown, as there have been few studies. We performed an environmental sampling study for 13 laboratory-confirmed COVID-19 patients and found extensive contamination of patients’ surroundings. In particular, we found that asymptomatic COVID-19 patients contaminated their surroundings and therefore imposed risks for other people. Environment cleaning should be emphasized in negative-pressure rooms. The findings may be useful to guide infection control practice to protect health care workers.
has issue date	2020-06-24(xsd:dateTime)
bibo:doi	10.1128/msphere.00442-20
bibo:pmid	32581071
has license	cc-by
sha1sum (hex)	03e6fbb867bfc50223b6d4076a96b8d616c824f7
schema:url	https://doi.org/10.1128/msphere.00442-20
resource representing a document's title	Asymptomatic COVID-19 Patients Can Contaminate Their Surroundings: an Environment Sampling Study
has PubMed Central identifier	PMC7316493
has PubMed identifier	32581071
schema:publication	mSphere
resource representing a document's body	covid:03e6fbb867bfc50223b6d4076a96b8d616c824f7#body_text
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