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A Large Acute Gastroenteritis Outbreak Associated with Both Campylobacter coli and Human Sapovirus—Beijing Municipality,China,2021

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China CDC weekly 2023年第52期5卷 1167-1173页

作者： Lin Zou Ying Li Guilan Zhou Zhenzhou Huang Changyan Ju Chunyan Zhao Xiang Gao Bojun Zhen Ping Zhang Xiaochen Guo Jing Zhang Yang Zhang Bo Liu Shaolei Zhou Aixia Yan Ying Kang Yanchun Wang Hongmei Ma Xiaohui Li Maojun Zhang Tongzhou District center for disease control and prevention BeijingChina Shunyi District center for disease control and prevention BeijingChina National Key Laboratory of Intelligent Tracking and Forecasting for Infectious diseases National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Nanshan District center for disease control and prevention Shenzhen CityGuangdong ProvinceChina

What is already known about this topic?Campylobacter is a significant foodborne pathogen that leads to global outbreaks of acute gastroenteritis(AGE)usually affecting less than 30 *** sapovirus(HuSaV)is an enteric virus responsible for sporadic cases and outbreaks of AGE *** a study conducted in Beijing,HuSaV detection ranked second after *** is added by this report?We present a discussion of the first large-scale outbreak of AGE caused by both Campylobacter coli(***)and *** outbreak involved a total of 996 patients and exhibited two distinct peaks over a period of 17 *** case-control studies,we identified exposure to raw water from a secondary water supply system as a significant risk *** 83 patients,49 samples tested positive for ***,39 samples tested positive for HuSaV,and 27 samples tested positive for both pathogens using real-time polymerase chain reaction ***,whole-genome sequencing of 17 *** isolates obtained from 17 patients revealed that all isolates belonged to a highly clonal strain of *** are the implications for public health practice?Outbreaks of AGE resulting from multiple pathogen infections warrant increased *** report emphasizes the significance of ensuring the safety of drinking water,particularly in secondary supply systems.

关键词： Campylobacter Human enteritis

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Enterohemorrhagic Escherichia coli O157:H7 — Xuzhou city, Jiangsu Province, China, 2001–2021

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China CDC weekly 2023年第14期5卷 311-314页

作者： Wenwen Zhu Hui Guo Jingjing Xu Weiwei Wu Yanmin Yi Jiao Wang Ran Duan Jing Tong Yangguang Du Xuzhou Municipal center for disease control and prevention Xuzhou CityJiangsu ProvinceChina Xuzhou Municipal Tongshan District center for disease control and prevention Xuzhou CityJiangsu ProvinceChina State Key Laboratory of Infectious disease prevention and control National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Xuzhou Municipal center for Public Health Inspection Xuzhou CityJiangsu ProvinceChina

Escherichia coli(***)that produce Shiga toxin or verocytotoxin is commonly known as Shiga toxinproducing ***(STEC)or verocytotoxin-producing ***(VTEC).Hemorrhagic enteritis(HC),caused by foodborne zoonotic pathogen enterohemorrhagic ***(EHEC)O157:H7,was first reported in the United States in 1982 and has since caused outbreaks of human infections in various countries such as Canada,Japan,and *** China,the pathogen was isolated from the feces of patients with diarrhea in Xuzhou city,Jiangsu Province in *** later caused an outbreak in Xuzhou and adjacent areas from 1999 to 2000(1).Measures that included investigation of diarrhea patients,identification of the pathogen,and clearing epidemiological characteristics were implemented to control the spread of the ***,a surveillance program was reformulated in 2001 in Tongshan District,Xuzhou city based on the national O157:H7 surveillance program and the reality of Jiangsu *** program included 18 towns for diarrhea patients and food surveillance,and 3 major animal farming towns for animal *** program has led to changes in the detection rates and virulence genes of the *** this study,we analyzed O157:H7 surveillance data from 2001 to 2021 to predict possible transmission risks.

关键词： O157:H7 Xuzhou Canada

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Anaplasma bovis Infection in Fever and Thrombocytopenia Patients——Anhui Province,China,2021

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China CDC weekly 2022年第12期4卷 249-253,I0005,I0006页

作者： Miao Lu Qingqing Chen Xincheng Qin Yong Lyu Zhongqiu Teng Kun Li Liang Yu Xiaojing Jin Hongwei Chang Wen Wang Dayin Hong Yong Sun Biao Kan Lei Gong Tian Qin State Key Laboratory of Infectious disease prevention and control National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Anhui Provincial center for disease control and prevention Hefei CityAnhui ProvinceChina Lu’an Municipal center for disease control and prevention Lu’an CityAnhui ProvinceChina Jinzhai County center for disease control and prevention Lu’an CityAnhui ProvinceChina Jinzhai County People’s Hospital Lu’an CityAnhui ProvinceChina

Summary What is already known about this topic?The genus Anaplasma contains seven recognized bacterial species,mainly transmitted by tick *** two species,*** and ***,are known commonly to cause diseases in *** is added by this report?Anaplasma bovis was initially thought to be only an animal agent until the first patient case was reported in *** study investigated another two patients who became sick within one month in the same township and were infected with *** in Anhui Province.

关键词： Anhui Province. initially

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Enhancing Injury prevention and control in China: Establishment of Evidence System

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China CDC weekly 2023年第47期5卷 1063-1066页

作者： Leilei Duan Min Yu Ming Zhao Jing Wu National center for Chronic and Noncommunicable disease control and prevention Chinese Center for Disease Control and PreventionBeijingChina center for disease control and prevention of Zhejiang Hangzhou CityZhejiang ProvinceChina

Injuries,alongside communicable and chronic noncommunicable diseases,represent significant public health challenges impacting global population health(1).The World Health Organization(WHO)reports that in 2019,approximately 4.4 million deaths were attributed to unintentional injuries and violence,constituting 8%of all deaths worldwide(2–3).Moreover,each year,countless individuals suffer from non-fatal injuries.

关键词： injuries diseases attributed

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Characterization of a New HIV-1 Circulating Recombinant Form CRF142_BC—Yunnan,China,2015 and 2021

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China CDC weekly 2024年第42期6卷 1080-1085页

作者： Min Chen Huichao Chen Shouxiong Lei Jie Dai Yanling Ma Manhong Jia Yunnan Provincial Key Laboratory of Public Health and Biosafety&Health Laboratory center Yunnan Center for Disease Control and PreventionKunming CityYunnan ProvinceChina Institute for AIDS/STD control and prevention Yunnan Center for Disease Control and PreventionKunming CityYunnan ProvinceChina Division for AIDS/STD control and prevention Zhaotong Center for Disease Control and PreventionZhaotong CityYunnan ProvinceChina Yunnan Provincial Key Laboratory of Public Health and Biosafety&Institute for AIDS/STD control and prevention Yunnan Center for Disease Control and PreventionKunming CityYunnan ProvinceChina

What is already known about this topic?Recombinant strains dominate the human immunodeficiency virus 1(HIV-1)epidemic in *** Province was the first region in China to report HIV-1 infections in *** long-term HIV-1 epidemic led to the generation of various recombinant *** the 47 circulating recombinant forms(CRFs)reported in China,more than 20 were first identified in Yunnan *** is added by this report?This study reported a previously unrecognized HIV-1 CRF(CRF142_BC)characterized by the insertion of four short subtype B fragments into the subtype C ***142_BC was estimated to have emerged in the mid-1990s,close to the time of the emergence of most known CRF_BCs in *** are the implications for public health practice?The discovery of new CRFs will provide a basis for HIV-1 molecular tracing and intervention *** addition,HIV-1 recombination can alter viral biological *** study of HIV-1 gene variants needs to be intensified.

关键词： properties. China. intensified

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Epidemiological Characteristics of Varicella Outbreaks—China,2006–2022

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China CDC weekly 2023年第52期5卷 1161-1166页

作者： Miaomiao Wang Xudong Li Meiying You Yuanyuan Wang Xinyu Liu Zihan Li Wenjia Zhao Zhuojun Jiang Yuehua Hu Dapeng Yin Office of Epidemiology Chinese Center for Disease Control and PreventionBeijingChina Weifang center for disease control and prevention Weifang CityShandong ProvinceChina Training and Outreach Division National Center for Mental HealthBeijingChina Hainan center for disease control and prevention Haikou CityHainan ProvinceChina

Introduction:Varicella outbreaks significantly disrupt schools and other child-centered *** study aimed to identify patterns and epidemiological features of varicella outbreaks in China from 2006 to ***:Data were extracted from outbreak reports submitted to the Public Health Emergency Reporting Management Information System within the specified *** methods included Spearman correlation tests and the Mann-Kendall trend tests,conducted using R software to analyze and summarize reported ***,statistical analyses of trends and epidemiological characteristics were performed using SPSS ***:Between 2006 and 2022,a total of 11,990 varicella outbreaks were reported in China,resulting in 354,082 *** attack rates showed a decreasing trend over the years(Z=−4.49,Pdisease and formulate evidence-based strategies and policies for its prevention and control.

关键词： prevention epidemiology annually

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Survey on Immunization Services for Children with Medical Conditions-China, 2022

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China CDC weekly 2023年第19期5卷 419-423页

作者： Yong Huang Yudan Song Junhong Li Yamin Wang Xiang Zeng Chao Ma Zundong Yin Guangzhou Municipal center for disease control and prevention Guangzhou CityGuangdong ProvinceChina National Immunization Program Chinese Center for Disease Control and PreventionBeijingChina Chinese Field Epidemiology Training Program Chinese Center for Disease Control and PreventionBeijingChina Zhuhai Municipal center for disease control and prevention Zhuhai CityGuangdong ProvinceChina

Summary What is already known about this topic?Children with medical conditions frequently experience *** high-quality immunization services is crucial for enhancing vaccination coverage levels;nevertheless,the state of immunization service provision for children with medical conditions in China remains *** is added by this report?Immunization support for children with medical conditions in China demonstrates considerable variability and may be *** obstacles to the provision of immunization services include an absence of comprehensive vaccination recommendations and assessment guidelines for specific medical conditions,as well as inconsistencies among vaccine recommendations,package inserts,and expert consensus statements pertaining to the vaccination of children with medical *** are the implications for public health practice?The examination of provincial practices in providing immunization services for children with medical conditions,as well as understanding the barriers faced by National Immunization Program providers in administering vaccinations,can contribute to the improvement of immunization services for this population in China.

关键词： services Services children

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An Index–Contact Paired Data Analysis on Sexual Contact Tracing Outcomes of HIV-Infected Individuals—Yunnan Province,China,2022–2024

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China CDC weekly 2024年第48期6卷 1271-1277,I0002-I0003页

作者： Wenjun Yan Junli Huo Xiaojing An Qiongli Duan Yu Han Nengmei Huang Ting Tan Zhimin Yang Jing Han Mengjie Han Yuhua Shi Jian Li National center for AIDS/STD control and prevention Chinese Center for Disease Control and PreventionBeijingChina Yunnan center for disease control and prevention Kunming CityYunnan ProvinceChina center for disease control and prevention in Honghe Hani and Yi Autonomous Prefecture MengziYunnan ProvinceChina Kunming Medical University Kunming CityYunnan ProvinceChina

What is already known about this topic?A substantial proportion of people living with human immunodeficiency virus(PLWH)remain unaware of their infection *** tracing serves as an effective public health tool for identifying human immunodeficiency virus(HIV)infections and supports progress toward achieving the 95-95-95-95 *** is added by this report?

关键词： identifying tracing comes

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First Case Report of Cystic Echinococcosis Caused by G7 Genotype Echinococcus intermedius Confirmed by Genetic Sequencing—Southern China,December 2023

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China CDC weekly 2024年第23期6卷 558-562页

作者： De Wu Jiayi Zhang Jieling Wang Yangyang Zhao Lei Wang Qiang Mao Haisen Lin Gang Yao Guanting Zhang Xu Wang Chuizhao Xue Ying Wang Jingdiao Chen Parasitic disease prevention and control Institute Guangdong Center for Disease Control and PreventionGuangzhou CityGuangdong ProvinceChina Epidemic prevention and control Institute Zhuhai Center for Disease Control and PreventionZhuhai CityGuangdong ProvinceChina Department of prevention&Healthcare Zhuhai First People's HospitalZhuhai CityGuangdong ProvinceChina National Institute of Parasitic diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)ShanghaiChina

What is already known about this topic?Echinococcosis exhibits a global *** China,the primary endemic area is the northwest *** December 2023,we documented a case of echinococcosis in an individual lacking any travel or residential history in endemic *** is added by this report?This is the first laboratory-confirmed case of hepatic echinococcosis reported in Guangdong Province,associated with the G7 genotype of Echinococcus granulosus(***).The most probable mode of transmission is a local infection resulting from *** introduced from endemic *** are the implications for public health practice?As the circulation of agricultural products increases,it is essential to enhance the quarantine and management of livestock from epidemic areas to prevent and control the spread of echinococcosis to non-epidemic regions.

关键词： travel fir northwest

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Evolutionary Diversity of Coxsackievirus A6 Causing Severe Hand,Foot,and Mouth disease—China,2012-2023

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China CDC weekly 2024年第20期6卷 442-449页

作者： Huanhuan Lu Jinbo Xiao Wenhui Wang Dongmei Yan Tianjiao Ji Qian Yang Haiyan Wei Yanhua Du Yunting Zeng Jun Guo Jianhua Chen Hanri Zeng Yingying Liu Shuaifeng Zhou Hong Ji Jianxing Wang Xiaofang Zhou Yong Zhang National Key Laboratory of Intelligent Tracking and Forecasting for Infectious diseases World Health Organization Polio Reference Laboratory for the Western Pacific RegionKey Laboratory of Laboratory BiosafetyNational Health and Key Laboratory of Laboratory Biosafety of the National Health CommissionNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Linyi center for disease control and prevention Linyi CityShandong ProvinceChina Henan Provincial center for disease control and prevention Zhengzhou CityHenan ProvinceChina Shaanxi Provincial center for disease control and prevention Xi’an CityShaanxi ProvinceChina Hainan Provincial center for disease control and prevention Haikou CityHainan ProvinceChina Guizhou Provincial center for disease control and prevention Guiyang CityGuizhou ProvinceChina Gansu Provincial center for disease control and prevention Lanzhou CityGansu ProvinceChina Guangdong Provincial center for disease control and prevention Guangzhou CityGuangdong ProvinceChina Hebei Provincial center for disease control and prevention Shijiazhuang CityHebei ProvinceChina Hunan Provincial center for disease control and prevention Changsha CityHunan ProvinceChina Jiangsu Provincial center for disease control and prevention Nanjing CityJiangsu ProvinceChina Shandong Provincial center for disease control and prevention Jinan CityShandong ProvinceChina Yunnan Provincial center for disease control and prevention Kunming CityYunnan ProvinceChina

Introduction:Coxsackievirus A6(CVA6)has emerged as a significant pathogen responsible for severe cases of hand,foot,and mouth disease(HFMD).This study aims to delineate the demographic characteristics and analyze the viral evolution of severe HFMD associated with CVA6,thereby assisting in its surveillance and ***:In this investigation,74 strains of CVA6 were isolated from samples collected from severe HFMD cases between 2012 and *** VP1 gene sequences of CVA6 were amplified and analyzed to assess population historical dynamics and evolutionary characteristics using BEAST,DnaSP6,and ***:A significant portion(94.4%)of severe CVA6-associated HFMD cases(51 out of 54,with 20 lacking age information)were children under 5 years *** the 74 CVA6 strains analyzed,72 belonged to the D3a sub-genotype,while only two strains were D2 *** average genetic distance between VP1 sequences prior to 2015 was 0.027,which increased to 0.051 when compared to sequences *** population dynamics analysis indicated three significant population expansions of severe CVA6-associated HFMD during 2012-2013,2013-2014,and 2019-2020,resulting in the formation of 65 distinct *** with the MCC tree findings,transitioning between regional haplotypes required multiple base substitutions,showcasing an increase in population diversity during the evolutionary process(from 14 haplotypes in 2013 to 55 haplotypes over the subsequent decade).Conclusions:CVA6,associated with severe HFMD,is evolving and presents a risk of outbreak ***,enhanced surveillance of severe HFMD is imperative.

关键词： thereby subsequent finding

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