About: Spatio-temporal analysis on enterovirus cases through integrated surveillance in Taiwan

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Spatio-temporal analysis on enterovirus cases through integrated surveillance in Taiwan
Creator	King, Chwan-Chuen Chan, Ta-Chien Hwang, Jing-Shiang Chiang, Po-Huang Chen, Rung-Hung
Source	PMC
abstract	BACKGROUND: Severe epidemics of enterovirus have occurred frequently in Malaysia, Singapore, Taiwan, Cambodia, and China, involving cases of pulmonary edema, hemorrhage and encephalitis, and an effective vaccine has not been available. The specific aim of this study was to understand the epidemiological characteristics of mild and severe enterovirus cases through integrated surveillance data. METHODS: All enterovirus cases in Taiwan over almost ten years from three main databases, including national notifiable diseases surveillance, sentinel physician surveillance and laboratory surveillance programs from July 1, 1999 to December 31, 2008 were analyzed. The Pearson’s correlation coefficient was applied for measuring the consistency of the trends in the cases between different surveillance systems. Cross correlation analysis in a time series model was applied for examining the capability to predict severe enterovirus infections. Poisson temporal, spatial and space-time scan statistics were used for identifying the most likely clusters of severe enterovirus outbreaks. The directional distribution method with two standard deviations of ellipse was applied to measure the size and the movement of the epidemic. RESULTS: The secular trend showed that the number of severe EV cases peaked in 2008, and the number of mild EV cases was significantly correlated with that of severe ones occurring in the same week [r = 0.553, p < 0.01]. These severe EV cases showed significantly higher association with the weekly positive isolation rates of EV-71 than the mild cases [severe: 0.498, p < 0.01 vs. mild: 0.278, p < 0.01]. In a time series model, the increase of mild EV cases was the significant predictor for the occurrence of severe EV cases. The directional distribution showed that both the mild and severe EV cases spread extensively during the peak. Before the detected spatio-temporal clusters in June 2008, the mild cases had begun to rise since May 2008, and the outbreak spread from south to north. CONCLUSIONS: Local public health professionals can monitor the temporal and spatial trends plus spatio-temporal clusters and isolation rate of EV-71 in mild and severe EV cases in a community when virus transmission is high, to provide early warning signals and to prevent subsequent severe epidemics.
has issue date	2014-01-08(xsd:dateTime)
bibo:doi	10.1186/1471-2458-14-11
bibo:pmid	24400725
has license	cc-by
sha1sum (hex)	2df3338b3237408866c67f074398862f8180caef
schema:url	https://doi.org/10.1186/1471-2458-14-11
resource representing a document's title	Spatio-temporal analysis on enterovirus cases through integrated surveillance in Taiwan
has PubMed Central identifier	PMC3890494
has PubMed identifier	24400725
schema:publication	BMC Public Health
resource representing a document's body	covid:2df3338b3237408866c67f074398862f8180caef#body_text
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