ZHANG Li; LUAN Rong Sheng; JIANG Feng; RUI Li Ping; LIU Min; LI Yi Xing; YIN Zun Dong; LUO Hui Min

doi:10.3967/0895-3988.2012.03.007

Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009

ZHANG Li, LUAN Rong Sheng, JIANG Feng, RUI Li Ping, LIU Min, LI Yi Xing, YIN Zun Dong, LUO Hui Min

文章导航 > Biomedical and Environmental Sciences > 2012 > 25(3): 297-304

ZHANG Li, LUAN Rong Sheng, JIANG Feng, RUI Li Ping, LIU Min, LI Yi Xing, YIN Zun Dong, LUO Hui Min. Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009[J]. Biomedical and Environmental Sciences, 2012, 25(3): 297-304. doi: 10.3967/0895-3988.2012.03.007

Citation:

ZHANG Li, LUAN Rong Sheng, JIANG Feng, RUI Li Ping, LIU Min, LI Yi Xing, YIN Zun Dong, LUO Hui Min. Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009[J]. Biomedical and Environmental Sciences, 2012, 25(3): 297-304. doi: 10.3967/0895-3988.2012.03.007

doi: 10.3967/0895-3988.2012.03.007

基金项目: This study was supported by a grant from NIP of Center for Disease Control and Prevention of China

Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009

West China School of Public Health, Sichuan University, Chengdu 610041, Sichua, China;Guizhou Provincial Center for Disease Control and Prevention, Guiyang 550004, Guizhou, China
West China School of Public Health, Sichuan University, Chengdu 610041, Sichua, China
Guizhou Provincial Center for Disease Control and Prevention, Guiyang 550004, Guizhou, China
Chinese Center for Disease Control and Prevention, Beijing 100050, China.
Chinese Center for Disease Control and Prevention, Beijing 100050, China

Funds: This study was supported by a grant from NIP of Center for Disease Control and Prevention of China

摘要: Objective The aim of the study was to establish the contemporary epidemiological characteristics of Japanese encephalitis (JE) in Guizhou Province.Methods A retrospective study of National Notifiable Disease Reporting System (NNDRS) data from 1971 through 2009,was conducted to ascertain the geographical,seasonal,and age distributions of JE incidence in Guizhou Province,China.Results A total of 68 425 JE cases were reported in Guizhou from 1971-2009.The JE cases occurred sporadically in all 9 prefectures of Guizhou,mostly among residents of rural areas.Seasonal distribution of JE remained consistent over the period from 1971-2009 with the main transmission season starting from June to September and peaking in August.JE occurred mainly in children under the age of 15 years with peak incidence in the 0-6-year age group.Pearson's correlation analysis showed that JE vaccine distribution had a negative correlation with JE incidence rates during 1971-2009 (coefficient of correlation=-0.475,P＜0.01).Conclusion Over the period of 1971-2009,the JE incidence rate had declined dramatically in terms of geographical and age distributions due to JE vaccination to children at risk.
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Abstract: Objective The aim of the study was to establish the contemporary epidemiological characteristics of Japanese encephalitis (JE) in Guizhou Province.Methods A retrospective study of National Notifiable Disease Reporting System (NNDRS) data from 1971 through 2009,was conducted to ascertain the geographical,seasonal,and age distributions of JE incidence in Guizhou Province,China.Results A total of 68 425 JE cases were reported in Guizhou from 1971-2009.The JE cases occurred sporadically in all 9 prefectures of Guizhou,mostly among residents of rural areas.Seasonal distribution of JE remained consistent over the period from 1971-2009 with the main transmission season starting from June to September and peaking in August.JE occurred mainly in children under the age of 15 years with peak incidence in the 0-6-year age group.Pearson's correlation analysis showed that JE vaccine distribution had a negative correlation with JE incidence rates during 1971-2009 (coefficient of correlation=-0.475,P＜0.01).Conclusion Over the period of 1971-2009,the JE incidence rate had declined dramatically in terms of geographical and age distributions due to JE vaccination to children at risk.
- Japanese encephalitis /
- Epidemiology /
- Japanese encephalitis vaccine catch-up campaign

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Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009

doi: 10.3967/0895-3988.2012.03.007

基金项目: This study was supported by a grant from NIP of Center for Disease Control and Prevention of China

刊出日期: 2012-06-20

关键词:

Japanese encephalitis /

Epidemiology /

Japanese encephalitis vaccine catch-up campaign

摘要: Objective The aim of the study was to establish the contemporary epidemiological characteristics of Japanese encephalitis (JE) in Guizhou Province.Methods A retrospective study of National Notifiable Disease Reporting System (NNDRS) data from 1971 through 2009,was conducted to ascertain the geographical,seasonal,and age distributions of JE incidence in Guizhou Province,China.Results A total of 68 425 JE cases were reported in Guizhou from 1971-2009.The JE cases occurred sporadically in all 9 prefectures of Guizhou,mostly among residents of rural areas.Seasonal distribution of JE remained consistent over the period from 1971-2009 with the main transmission season starting from June to September and peaking in August.JE occurred mainly in children under the age of 15 years with peak incidence in the 0-6-year age group.Pearson's correlation analysis showed that JE vaccine distribution had a negative correlation with JE incidence rates during 1971-2009 (coefficient of correlation=-0.475,P＜0.01).Conclusion Over the period of 1971-2009,the JE incidence rate had declined dramatically in terms of geographical and age distributions due to JE vaccination to children at risk.

English Abstract

Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009

West China School of Public Health, Sichuan University, Chengdu 610041, Sichua, China;Guizhou Provincial Center for Disease Control and Prevention, Guiyang 550004, Guizhou, China

West China School of Public Health, Sichuan University, Chengdu 610041, Sichua, China

Guizhou Provincial Center for Disease Control and Prevention, Guiyang 550004, Guizhou, China

Chinese Center for Disease Control and Prevention, Beijing 100050, China.

Chinese Center for Disease Control and Prevention, Beijing 100050, China

Funds: This study was supported by a grant from NIP of Center for Disease Control and Prevention of China

Publish Date: 2012-06-20

Keywords:

Japanese encephalitis /
Epidemiology /
Japanese encephalitis vaccine catch-up campaign

Abstract: Objective The aim of the study was to establish the contemporary epidemiological characteristics of Japanese encephalitis (JE) in Guizhou Province.Methods A retrospective study of National Notifiable Disease Reporting System (NNDRS) data from 1971 through 2009,was conducted to ascertain the geographical,seasonal,and age distributions of JE incidence in Guizhou Province,China.Results A total of 68 425 JE cases were reported in Guizhou from 1971-2009.The JE cases occurred sporadically in all 9 prefectures of Guizhou,mostly among residents of rural areas.Seasonal distribution of JE remained consistent over the period from 1971-2009 with the main transmission season starting from June to September and peaking in August.JE occurred mainly in children under the age of 15 years with peak incidence in the 0-6-year age group.Pearson's correlation analysis showed that JE vaccine distribution had a negative correlation with JE incidence rates during 1971-2009 (coefficient of correlation=-0.475,P＜0.01).Conclusion Over the period of 1971-2009,the JE incidence rate had declined dramatically in terms of geographical and age distributions due to JE vaccination to children at risk.

Citation:

ZHANG Li, LUAN Rong Sheng, JIANG Feng, RUI Li Ping, LIU Min, LI Yi Xing, YIN Zun Dong, LUO Hui Min. Epidemiological Characteristics of Japanese Encephalitis in Guizhou Province,China, 1971-2009[J]. Biomedical and Environmental Sciences, 2012, 25(3): 297-304. doi: 10.3967/0895-3988.2012.03.007