About: Basic epidemiological parameter values from data of real-world in mega-cities: the characteristics of COVID-19 in Beijing, China

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About: Basic epidemiological parameter values from data of real-world in mega-cities: the characteristics of COVID-19 in Beijing, China Goto Sponge NotDistinct Permalink

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

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Basic epidemiological parameter values from data of real-world in mega-cities: the characteristics of COVID-19 in Beijing, China
Creator	Wang, Quanyi Yang, Peng Wang, Xiaoli Pan, Yang Chen, Lijuan Li, Xinyu Zhang, Daitao Raina Macintyre, C Jia, Lei
Source	Medline; PMC
abstract	BACKGROUND: With the spread of SARS-CoV-2 worldwide, understanding the basic epidemiological parameter values of COVID-19 from real-world data in mega-cities is essential for disease prevention and control. METHODS: To investigate the epidemiological parameters in SARS-CoV-2 infected cases in Beijing, we studied all confirmed cases and close contacts in Beijing from Jan 1st to Apr 3rd 2020. The epidemiological and virological characteristics of SARS-CoV-2 were analyzed. RESULTS: A total of 602 cases were positive for SARS-CoV-2, including 585 confirmed patients and 17 asymptomatic infections. The imported cases were mainly from Wuhan initially and then from abroad. Among 585 confirmed case-patients, the median age was 39 years old. The mean incubation period was 6.3 days. The secondary attack rate among households was higher than social contacts (15.6 vs 4.6%). The secondary attack rate of healthcare workers (HCWs) was higher than non-HCWs’ (7.3 vs 4.2%). The basic reproduction number was 2.0, and the average serial interval was 7.6 days. No significant genetic variant was identified. CONCLUSIONS: The transmissibility of SARS-CoV-2 was relatively high, especially among households and from HCWs, which draws specific public health attention. So far, no evidence of widespread circulation of SARS-CoV-2 in communities in Beijing was found.
has issue date	2020-07-20(xsd:dateTime)
bibo:doi	10.1186/s12879-020-05251-9
bibo:pmid	32689956
has license	cc-by
sha1sum (hex)	3cd764b2deed9e7cfa7c5a53247803f8143cd786
schema:url	https://doi.org/10.1186/s12879-020-05251-9
resource representing a document's title	Basic epidemiological parameter values from data of real-world in mega-cities: the characteristics of COVID-19 in Beijing, China
has PubMed Central identifier	PMC7370267
has PubMed identifier	32689956
schema:publication	BMC Infect Dis
resource representing a document's body	covid:3cd764b2deed9e7cfa7c5a53247803f8143cd786#body_text
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