The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016

Abstract Severe fever with thrombocytopenia syndrome (SFTS) is emerging and the number of SFTS cases increased year by year in China. In order to explore the epidemiology trend, we analyzed the changing epidemiological characteristics of SFTS cases in different years and compare characteristics in d...

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Autores principales:	Jimin Sun, Liang Lu, Haixia Wu, Jun Yang, Jiangping Ren, Qiyong Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0bbd2345de19411c8e4bbcb41200344c
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spelling	oai:doaj.org-article:0bbd2345de19411c8e4bbcb41200344c2021-12-02T11:52:23ZThe changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–201610.1038/s41598-017-08042-62045-2322https://doaj.org/article/0bbd2345de19411c8e4bbcb41200344c2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08042-6https://doaj.org/toc/2045-2322Abstract Severe fever with thrombocytopenia syndrome (SFTS) is emerging and the number of SFTS cases increased year by year in China. In order to explore the epidemiology trend, we analyzed the changing epidemiological characteristics of SFTS cases in different years and compare characteristics in different provinces. From 2011 to 2016, a total of 5360 laboratory-confirmed SFTS cases were reported and annual case numbers increased year by year. Most SFTS cases occurred in individuals aged between 40 years and 80 years (91.57%), but age distributions of SFTS cases in different years were significantly different and the median ages increased slightly year by year. The numbers of affected counties from 2011 to 2016 increased sharply from 98 to 167. Of note, the seasonal distributions of SFTS cases in different provinces were significantly different (Fisher = 712.157, P = 0.000) and provinces in south regions showed earlier epidemic peak and longer epidemics durations. The median time from illness onset to confirmation of different years was significantly different (χ2 = 896.088, P = 0.000) and it peaked in 2014. Furthermore, case fatality rate was associated with province, year, and age of SFTS cases. These results may be helpful for authorities to better preventive strategy and improve interventions against SFTS.Jimin SunLiang LuHaixia WuJun YangJiangping RenQiyong LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jimin Sun Liang Lu Haixia Wu Jun Yang Jiangping Ren Qiyong Liu The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
description	Abstract Severe fever with thrombocytopenia syndrome (SFTS) is emerging and the number of SFTS cases increased year by year in China. In order to explore the epidemiology trend, we analyzed the changing epidemiological characteristics of SFTS cases in different years and compare characteristics in different provinces. From 2011 to 2016, a total of 5360 laboratory-confirmed SFTS cases were reported and annual case numbers increased year by year. Most SFTS cases occurred in individuals aged between 40 years and 80 years (91.57%), but age distributions of SFTS cases in different years were significantly different and the median ages increased slightly year by year. The numbers of affected counties from 2011 to 2016 increased sharply from 98 to 167. Of note, the seasonal distributions of SFTS cases in different provinces were significantly different (Fisher = 712.157, P = 0.000) and provinces in south regions showed earlier epidemic peak and longer epidemics durations. The median time from illness onset to confirmation of different years was significantly different (χ2 = 896.088, P = 0.000) and it peaked in 2014. Furthermore, case fatality rate was associated with province, year, and age of SFTS cases. These results may be helpful for authorities to better preventive strategy and improve interventions against SFTS.
format	article
author	Jimin Sun Liang Lu Haixia Wu Jun Yang Jiangping Ren Qiyong Liu
author_facet	Jimin Sun Liang Lu Haixia Wu Jun Yang Jiangping Ren Qiyong Liu
author_sort	Jimin Sun
title	The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
title_short	The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
title_full	The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
title_fullStr	The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
title_full_unstemmed	The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016
title_sort	changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in china, 2011–2016
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/0bbd2345de19411c8e4bbcb41200344c
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_version_	1718395029310930944

The changing epidemiological characteristics of severe fever with thrombocytopenia syndrome in China, 2011–2016

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