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Comparative Study on the Immunogenicity and Efficacy of Different Post-exposure Intramuscular Rabies Vaccination Regimens in China

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Biomedical and Environmental Sciences 2024年第2期37卷 178-186页

作者： SONG Yun HE Ying LU Xue Xin ZHANG Xiao Mei JIANG XIAO Lin SONG Qing HUANG Xue Yong MA Hong Xia YU Peng Cheng ZHU Wu Yang Henan Provincial Center for disease control and prevention Infectious Disease Prevention and Control InstituteHenan Provincial Key Laboratory of Infectious Disease PathogensZhengzhou 450000HenanChina national Institute for Viral disease control and prevention China CDCKey Laboratory of BiosafetyNational Health CommissionBeijing 102206China Shandong Provincial Center for disease control and prevention Jinan 250014ShandongChina Qingdao Chengyang District Center for disease control and prevention Qingdao 266108ShandongChina

Objective This study aimed to compare the current Essen rabies post-exposure immunization schedule(0-3-7-14-28)in China and the simple 4-dose schedule(0-3-7-14)newly recommended by the World health Organization in terms of their safety,efficacy,and *** Mice were vaccinated according to different immunization schedules,and blood was collected for detection of rabies virus neutralizing antibodies(RVNAs)on days 14,21,28,35,and 120after the first ***,different groups of mice were injected with lethal doses of the CVS-11 virus on day 0,subjected to different rabies immunization schedules,and assessed for morbidity and death *** a clinical trial,185 rabies-exposed individuals were selected for post-exposure vaccination according to the Essen schedule,and blood was collected for RVNAs detection on days 28and 42 after the first *** A statistically significant difference in RVNAs between mice in the Essen and 0-3-7-14 schedule groups was observed on the 35th day(P0.05)in RVNAs levels at any time *** post-exposure immune protective test showed that the survival rate of mice in the control group was 20%,whereas that in the immunization groups was 40%.In the clinical trial,the RVNAs positive conversion rates on days 28(14 days after 4 doses)and 42(14 days after 5 doses)were both 100%,and no significant difference in RVNAs levels was observed(P>0.05).Conclusion The simple 4-dose schedule can produce sufficient RVNAs levels,with no significant effect of a delayed fourth vaccine dose(14–28 d)on the immunization potential.

关键词： Rabies Post-exposure immunization Essen regimen RVNAs

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Establishment of an Iron Deficiency Model by Iron Depletion in Pregnant Rats

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Biomedical and Environmental Sciences 2024年第2期37卷 210-215页

作者： CHEN Xi HAN Chao ZHAO Jin Peng SHEN Shi WANG Li Yuan REN Shou WANG Tong Lei MA Yan XU Ze Chao HUO Jun Sheng key laboratory of Trace Element Nutrition National Health Commission of the People’s Republic of ChinaNational Institute for Nutrition and HealthChinese Center for Disease Control and PreventionBeijing 100050China

Anemia,a global public health problem,has significant adverse consequences on the cognitive development of children and the work capacity of adults;affecting social and economic ***,roughly 43%of children under five years of age,38%of pregnant women,and 29%of nonpregnant women had *** during pregnancy significantly increases the risk of low birth weight and preterm birth.A 10 g/L increase in hemoglobin has been estimated to decrease the risk of maternal and perinatal mortality by 29%and 28%.

关键词： mortality pregnancy anemia

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Preparation and immunoprotective effects of a virus-like particle candidate vaccine of the dominant epidemic D3 genotype coxsackievirus A6 in China

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Biosafety and health 2024年第1期6卷 28-34页

作者： Xiaoliang Li Xizhu Xu Jichen Li Huanhuan Lu Congcong Wang Rui Wang Jinbo Xiao Ying Liu Yang Song Jingdong Song Qiang Sun Yong Zhang Department of Public health and health Administration Shandong First Medical UniversityJinan 250117China national key laboratory of Intelligent Tracking and Forecasting for Infectious diseases(NITFID) National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China national Polio laboratory WHO WPRO Regional Polio Reference LaboratoryNational Health Commission Key Laboratory for BiosafetyNational Health Commission Key Laboratory for Medical VirologyNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBejing 102206China Department of Medical Microbiology Weifang Medical UniversityWeifang 261053China

Coxsackievirus A6 of the D3a genotype(CVA6 D3a)is a primary pathogen causingmainland of China's hand,foot,and mouth disease(HFMD).Viral‐like particle(VLP)vaccines represent a potential candidate vaccine to prevent *** study collected Anti‐CVA6 D3a VLPs serum from BALB/c female mice immunized using CVA6 D3a *** neutralizing antibody levels were compared against the representative 14‐JX2018(D3a)and N4‐YN2015(D3b)strains between the antisera of different immune *** immunoprotective effect of anti‐CVA6 D3a VLPs against these strains was monitored using pathological sections and immuno-histochemical results of lung and skeletal muscle tissues in seven‐day‐old Institute of Cancer Research(ICR)*** protection against different branches of viruses was evaluated in 7‐day‐old(serum passive immune protection)and 14‐day‐old(VLPs active immune protection)neonatal ICR mice ***‐neutralizing antibody levels were positively correlated with the number of immunizations and higher against 14‐JX2018 than against N4‐***,these levels were significantly higher with abdominal injection than intramuscular *** immunized serum of 7‐day‐old ICR mice inoculated three times was 100%protected against CVA6 D3a 14‐JX2018(lethal titer:106.25 TCID 50)and CVA6 D3b N4‐YN2015(lethal titer:105.25TCID 50)fatal attacks,*** ICR mice that have completed two active immunizations for 14 days,both CVA6 D3a 14‐JX2015(challenge titer:108.25 TCID 50)and CVA6 D3b N4‐YN2015(challenge titer:107.25 TCID 50)were used for the challenge,and the mice were able to ***,the CVA6 D3a VLPs prepared in this study are a potential vaccine candidate for CVA6,as it has the optimal protective effect against both CVA6 D3a and D3b evolutionary branches viruses.

关键词： Coxsackievirus A6 D3 genotype Virus‐like particle Immunoprotective effect

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Application of wastewater-based epidemiological monitoring of COVID-19 for disease surveillance in the city

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Frontiers of Environmental Science & Engineering 2024年第8期18卷 81-87页

作者： Heng Chen Zhenhua Chen Liwen Hu Fengzhu Tang Dan Kuang Jiayi Han Yao Wang Xiao Zhang Yue Cheng Jiantong Meng Rong Lu Lan Zhang Chengdu Workstation for Emerging Infectious disease control and prevention Chinese Academy of Medical SciencesChengdu 610047China Chengdu Center for disease control and prevention Chengdu 610047China national key laboratory of Intelligent Tracking and Forecasting for Infectious diseases Beijing 100050China national Institute of Environmental health Chinese Center for Disease Control and PreventionBeijing 100050China

Wastewater-based surveillance serves as a supplementary approach to clinical surveillance of COVID-19 during the *** study aimed to track the prevalence of the disease and the viral genetic variability through wastewater-based surveillance in the post-epidemic *** January to December 2023,samples were collected from the influent lines of two wastewater treatment plants(WWTPs),concentrated using PEG8000,and subjected to detection of the target genes ORF 1ab and N of SARS-CoV-2 via reverse transcriptional quantitative PCR(RT-qPCR).For next-generation sequencing(NGS),high-quality samples from both wastewater and clinical patients were *** analysis were performed using R software to evaluate the correlation between the SARSCoV-2 RNA concentrations in wastewater and positive rate of reported cases,indicating a positive *** diversity patterns of SARS-CoV-2 in wastewater resembled those in the patient source based on Principal Coordinates Analysis(PCoA)with three clusters for different *** rise of RNA concentration in wastewater indicates the growth of cases and the emergence of new variants,serving as an early warning of potential viral mutations,disease outbreaks even possible ***,the genomic surveillance of wastewater could help identify new variants that may not be captured through population monitoring,especially when sample sizes are ***,surveillance of SARS-CoV-2 in municipal wastewater has emerged as a reliable,earlywarning monitoring system for COVID-19 in the post-epidemic era.

关键词： Wastewater-based epidemiology Monitoring COVID-19 Post-epidemic era

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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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Geographically and Temporally Weighted Regression in Assessing Dengue Fever Spread Factors in Yunnan Border Regions

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Biomedical and Environmental Sciences 2024年第5期37卷 511-520页

作者： ZHU Xiao Xiang WANG Song Wang LI Yan Fei ZHANG Ye Wu SU Xue Mei ZHAO Xiao Tao national key laboratory of Intelligent Tracking and Forecasting for Infectious diseases Chinese Center for Disease Control and PreventionBeijing 102211China Yunnan Institute of parasitic diseases Pu’er 665000YunnanChina

Objective This study employs the Geographically and Temporally Weighted Regression(GTWR)model to assess the impact of meteorological elements and imported cases on dengue fever outbreaks,emphasizing the spatial-temporal variability of these factors in border *** We conducted a descriptive analysis of dengue fever’s temporal-spatial distribution in Yunnan border *** annual data from 2013 to 2019,with each county in the Yunnan border serving as a spatial unit,we constructed a GTWR model to investigate the determinants of dengue fever and their spatio-temporal heterogeneity in this *** The GTWR model,proving more effective than Ordinary Least Squares(OLS)analysis,identified significant spatial and temporal heterogeneity in factors influencing dengue fever’s spread along the Yunnan ***,the GTWR model revealed a substantial variation in the relationship between indigenous dengue fever incidence,meteorological variables,and imported cases across different *** In the Yunnan border areas,local dengue incidence is affected by temperature,humidity,precipitation,wind speed,and imported cases,with these factors’influence exhibiting notable spatial and temporal variation.

关键词： Dengue fever Meteorological factor Geographically and temporally weighted regression

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Neglected Time Intervals Before “1-3-7” Approach About Imported Malaria Cases-China, 2014–2021

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China CDC weekly 2024年第17期6卷 363-367页

作者： Zhiquan He Yuanjing Kou Dan Wang Ying Liu Xiaofeng Lyu Hui Yan Wen Lin Xuan Zhang Duoquan Wang Shizhu Li Hongwei Zhang Henan Provincial Center for disease control and prevention Zhengzhou CityHenan ProvinceChina Anhui Provincial Center for disease control and prevention Hefei CityAnhui ProvinceChina Guangxi Zhuang autonomous Region Center for disease control and prevention Nanning CityGuangxi Zhuang Autonomous RegionChina Hubei Provincial Center for disease control and prevention Wuhan CityHubei ProvinceChina Zhejiang Provincial Center for disease control and prevention Hangzhou CityZhejiang ProvinceChina national Institute of parasitic diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)National Health Commission Key Laboratory of Parasite and Vector BiologyShanghaiChina School of Global health Chinese Center for Tropical Diseases ResearchShanghai Jiao Tong University School of MedicineShanghaiChina

Summary What is already known about this topic?China’s“1-3-7”approach outlines specific targets to guide and monitor the processes of case reporting,investigation,and ***,few studies have examined the time intervals preceding the initial step,and the timeline from the arrival of imported malaria cases in China to their diagnosis has been largely *** is added by this report?The study demonstrated that the median duration from arrival in China to the onset of symptoms for *** was 78 days,with 71.59%of imported cases manifesting symptoms after more than one *** ***,the median interval was 42 days,with 55.91%exceeding one ***,the median time from symptom onset to malaria treatment in China between 2014 and 2021 was 2 days,with an interquartile range(IQR)of 1-4 *** are the implications for public health practice?This study represents the initial effort to delineate the chronology of imported malaria cases,from their arrival in China to their subsequent *** results underscore the importance of providing malaria health education to populations arriving from ***,enhancing physician training is crucial for improving the diagnosis of malaria.

关键词： diagnosis Malaria exceeding

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Iodine Nutrition, Thyroid-stimulating Hormone, and Related Factors of Postpartum Women from three Different Areas in China: A Cross-sectional Survey

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Biomedical and Environmental Sciences 2024年第3期37卷 254-265页

作者： SHAN Xiao Yun ZOU Yan HUANG Li Chun JIANG Shan ZHOU Wei Wen QIN Qiu Lan LIU Chang Qing LUO Xiao Yan LU Jia Xi MAO De Qian LI Min YANG Zhen Yu YANG Li Chen key laboratory of Trace Element Nutrition of national health Committee National Institute for Nutrition and HealthChinese Center for Disease Control and PreventionBeijing 100050China Hunan key laboratory of Typical Environmental Pollution and health Hazards School of Public HealthHengyang Medical SchoolUniversity of South ChinaHengyang 241001HunanChina Zhejiang Provincial Center for disease prevention and control Hangzhou 310051ZhejiangChina Guangxi Zhuang Autonomous Region Center for disease control and prevention Nanning 530028GuangxiChina Hebei Provincial Center for disease control and prevention Shijiazhuang 050021HebeiChina

Objective Studies on the relationship between iodine,vitamin A(VA),and vitamin D(VD)and thyroid function are *** study aimed to analyze iodine and thyroid-stimulating hormone(TSH)status and their possible relationships with VA,VD,and other factors in postpartum *** A total of 1,311 mothers(896 lactating and 415 non-lactating)from Hebei,Zhejiang,and Guangxi provinces were included in this *** urinary iodine concentration(UIC),TSH,VA,and VD were *** The median UIC of total and lactating participants were 142.00µg/L and 139.95µg/L,*** median TSH,VA,and VD levels in all the participants were 1.89 mIU/L,0.44μg/mL,and 24.04 ng/mL,*** differences in the UIC were found between lactating and non-lactating *** and TSH levels were significantly different among the three *** rural UIC was higher than the urban *** mothers had a higher UIC and a higher prevalence of excessive *** UICs and TSHs levels were observed in both the VD deficiency and insufficiency groups than in the VD-sufficient *** adjustment,no linear correlation was observed between UIC and VA/*** interaction was found between vitamins A/D and UIC on TSH *** The mothers in the present study had no iodine ***,area type,BMI,and VD may be related to the iodine status or TSH levels.

关键词： Median urinary iodine concentration Thyroid-stimulating hormone Vitamin A Vitamin D Postpartum women

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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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Analysis of Epidemiological and Issues Encountered in Case Reports on Echinococcosis—China,2022

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China CDC weekly 2024年第6期6卷 100-104页

作者： Yan Kui Shuai Han Xiaojuan Zhang Guangzhong Shi Yale Yu Ruirui Li Peizheng Zhan Hongju Duan Wenbo Luo Benfu Li Shaoqi Ning Yalan Zhang Aiya Zhu Jingbo Xue national Institute of parasitic diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)National Health Commission Key Laboratory of Parasite and Vector BiologyWorld Health Organization Collaborating Center for Tropical DiseasesNational Center for International Research on Tropical DiseasesShanghaiChina Gansu Provincial Center for disease control and prevention Lanzhou CityGansu ProvinceChina The Center for disease control and prevention of Xinjiang Uygur Autonomous Region Urumuqi CityXinjiang Uygur Autonomous RegionChina Xinjiang Production and Construction Corps Center for disease control and prevention Urumuqi CityXinjiang Uygur Autonomous RegionChina Sichuan Provincial Center for disease control and prevention Chengdu CitySichuan ProvinceChina Qinhai Institute for Endemic disease control and prevention Xining CityQinghai ProvinceChina Ningxia Center for disease control and prevention Yinchuan CityNingxia Hui Autonomous RegionChina Inner Mongolia Autonomous Region Center for Comprehensive disease control and prevention Hohhot CityInner Mongolia AutonomousChina Yunnan Institute of parasitic diseases Puer CityYunnan ProvinceChina Shaanxi Provincial Center for disease control and prevention Xi'an CityShaanxi ProvinceChina Henan Provincial Center for disease control and prevention Zhengzhou CityHenan ProvinceChina Guizhou Provincial Center for disease control and prevention Guiyang CityGuizhou ProvinceChina

Summary What is already known about this topic?Echinococcosis is classified as a Class C infectious disease in *** is endemic in 370 counties located in the agricultural and pastoral regions of western *** is added by this report?This report provides a comprehensive overview of the cases of echinococcosis reported in China in *** a thorough evaluation conducted by provincial CDCs.

关键词： China Ech counties

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