Original Article
An epidemiological survey of diarrhea outbreak caused by group A rotavirus in Yunnan
Xiaoqing Fu, Linhui Hao, Jianchun Mou, Wenling Ni, Liangzhong Li, Jingbao Bai, Xiaoying Ma, Yibin Xiang
Published 2019-10-30
Cite as Chinese J Exp Clin Virol, 2019, 33(5): 509-512. DOI: 10.3760/cma.j.issn.1003-9279.2019.05.014
Abstract
ObjectiveTo identify the etiology and source of infection in a diarrhea outbreak in Yunnan in May 2017 and to provide the evidence for formulating prevention and control measures.
MethodsEpidemiological investigation was carried out on the epidemic situation of diarrhea in the village of Lvchun County in Yunnan Province, the field sampling, laboratory testing and data analysis were also performed.
ResultsAmong the 44 patients, 11 of the 13 samples were positive for rotavirus nucleic acid in group A, and the positive rate was 84.62%. The survey showed that the water supply pipe was damaged and polluted by human and livestock manure and domestic sewage. The trend of the damaged water pipe was basically the same as the case distribution, and the rainfall was significantly related to the number of the disease.
ConclusionsThis event was an outbreak of diarrhea caused by group A rotavirus. The direct pollution of drinking water caused by rainfall may be the risk factor of this outbreak. The health management of rural drinking water should be strengthened and the health knowledge and education of preventing intestinal infectious diseases should be promoted.
Key words:
Rotavirus; Infectious diarrhea; Epidemiological survey
Contributor Information
Xiaoqing Fu
Yunnan Provincial Center for Disease Control and Prevention, Kunming 650022, China
Linhui Hao
Yunnan Provincial Center for Disease Control and Prevention, Kunming 650022, China
Jianchun Mou
Honghe State Center for Disease Control and Prevention, Mengzi 661199, China
Wenling Ni
Honghe State Center for Disease Control and Prevention, Mengzi 661199, China
Liangzhong Li
Lvchun County Disease Prevention and Control Center, Lvchun 662500, China
Jingbao Bai
Lvchun County Disease Prevention and Control Center, Lvchun 662500, China
Xiaoying Ma
Lvchun County Disease Prevention and Control Center, Lvchun 662500, China
Yibin Xiang
Yunnan Provincial Center for Disease Control and Prevention, Kunming 650022, China