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Achievements of the national malaria control and elimination program in the People’s Republic of China:the Atlas of Malaria Transmission in China

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Frontiers of Medicine 2023年第1期17卷 85-92页

作者： Jun Feng Li Zhang Zhigui Xia Shuisen Zhou Ning Xiao Xiao-Nong Zhou National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)NHC Key Laboratory of Parasite and Vector BiologyWHO Collaborating Centre for Tropical DiseasesNational Center for International Research on Tropical DiseasesShanghai 200025China School of Global Health Chinese Center for Tropical Diseases ResearchShanghai Jiao Tong University School of MedicineShanghai 200025China

In 2017,China achieved the target of zero indigenous malaria case for the first time,and has been certified as malaria free by World Health Organization in *** further summarize the historical achievements and technical experiences of the elimination program,a project on the Roadmap Analysis and Verification for Malaria Elimination in China was carried *** of the project were compiled and published as the Atlas of Malaria Transmission in China(The Atlas).The Atlas using modern digital information technologies,has been supported by various data from 24 malaria endemic provinces of China since 1950,to assess the changes in malaria epidemic patterns from 1950 to 2019 at national and provincial *** Atlas is designed as two volumes,including a total of 1850 thematic maps and more than 130 charts,consisting of introductory maps,thematic maps of malaria epidemic and control at national and provincial *** objectively and directly shows the epidemic history,evolution process,and great achievements of the national malaria control and elimination program in *** Atlas has important reference value for summing up historical experience in the national malaria elimination program of China,and malaria control and elimination in other endemic countries in the world.

关键词： malaria transmission control elimination China atlas

Major histocompatibility complex and mate choice in the polygynous primate:the Sichuan snub-nosed monkey(Rhinopithecus roxellana)

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Integrative Zoology 2014年第5期9卷 598-612页

作者： Banghe YANG Baoping REN Zuofu XIANG Jingyuan YANG Hui YAO Paul A.GARBER Ming LI Key Lab of Animal Ecology and Conservation biology Institute of ZoologyChinese Academy of SciencesBeijingChina Graduate School of the University of Chinese Academy of Sciences BeijingChina College of Life Science and Technology Central South University of Forestry and TechnologyChangshaChina Hubei Province Key Laboratory of Conservation biology of Shennongjia Golden Monkey China Department of Anthropology program in Ecology and Evolutionary biology University of IllinoisUrbanaUSA

The highly polymorphic genes within the major histocompatibility complex(MHC)not only play a major role in immunity resistance,but also seem to provide hints for mate choice in some animal *** the present study we investigated MHC-related mate choice in a small natural population(group size 40-55 individuals)of a polygynous primate,the Sichuan snub-nosed monkey(Rhinopithecus roxellana).We found that there was no evidence either for MHC-disassortative mating,or for females to mate with males based on MHC heterozygosity or specific ***,of the 11 alleles identified,we found that the frequencies of 2 alleles,Rhro-DRB2(Pparasite resistance in a fluctuating environment;however,confirmation of this finding requires further study.

关键词： disassortative mating major histocompatibility complex mate choice Rhinopithecus roxellana

The First Detection of Echinococcus Granulosus DNA in Residents’Hands,Dogs’Hair,and Soil in Highly Endemic Region of Echinococcosis-Naqu City,Xizang Autonomous Region,China,2020

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China CDC weekly 2022年第44期4卷 982-985页

作者： Baixue Liu Chuizhao Xue Xu Wang Wenting Wu Shuai Han Weiping Wu National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)NHC Key Laboratory of Parasite and Vector BiologyWHO Collaborating Centre for Tropical DiseasesNational Center for International Research on Tropical DiseasesShanghaiChina Institute for Infectious Disease and Endemic Disease Control Beijing Center for Disease Prevention and ControlBeijingChina

Summary What is already known about this topic?Echinococcosis is a serious zoonotic parasitic disease that predominantly infects humans;domestic animals like cattle or sheep;as well as wild animals such as small *** date,there is a lack of comprehensive information about all potential environmental transmission routes for *** is added by this report?This study assesses the importance of under-researched environmental factors for the transmission of *** concludes that hand hygiene is an important factor in the robust environmental transmission of Echinococcus *** are the implications for public health practice?This study suggests that residents are at risk of catching echinococcosis through hand-oral transmission *** education given to local residents is thus a key intervention,as well as avoiding close contact with dogs and ensuring proper hand-washing practices are followed.

关键词： residents Highly education

Surveillance and Response to Imported Malaria During the COVID-19 Epidemic—Anhui Province,China,2019–2021

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China CDC weekly 2022年第28期4卷 622-625页

作者： Tao Zhang Jingjing Jiang Xiaofeng Lyu Xian Xu Shuqi Wang Zijian Liu Jianhai Yin Weidong Li Anhui Provincial Center for Disease Control and Prevention HefeiAnhui 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 BiologyWHO Collaborating Center for Tropical DiseasesNational Center for International Research on Tropical DiseasesShanghaiChina.

Summary What is already known about this topic?China was certified malaria-free on June 30,***,imported malaria continuously threatens the effort to prevent re-establishment of malaria in *** is added by this report?Measures such as international travel restrictions,entry quarantine,and screening in fever clinics during the coronavirus disease 2019(COVID-19)period were associated with a significant decrease of imported malaria cases in Anhui Province,a higher proportion of non-Plasmodium falciparum(***)malaria reported infections,and a higher proportion of cases requiring medical attention at their initial *** are the implications for public health practices?It is necessary to be vigilant about imported malaria during the COVID-19 epidemic,especially for *** infections which are more difficult to detect,and to promote research,development,and introduction of more sensitive and specific point-ofcare detection methods for *** species.

关键词： Anhui travel imported

A Case Study on the Disease Burden and Influencing Factors of Imported Malaria Patients in a County-Level Hospital—Guangxi Zhuang Autonomous Region,China,2016–2019

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China CDC weekly 2021年第17期3卷 351-354页

作者： Qiuli Xu Kangming Lin Shenning Lu Lei Duan Hongrang Zhou Xuejiao Ma Bei Wang Ning Xiao National Institute of Parasitic Diseases Chinese Center for Disease Control and PreventionChinese Center for Tropical Diseases ResearchWHO Collaborating Centre for Tropical DiseasesNational Center for International Research on Tropical DiseasesMinistry of Science and TechnologyKey Laboratory of Parasite and Vector BiologyMinistry of HealthShanghaiChina Qingpu District Center for Disease Control and Prevention ShanghaiChina.

Summary What is already known on this topic?Imported malaria cases endanger people’s health and potentially cause local re-transmission,and they may also cause economic loss on patients’families and society as a *** is added by this report?This is the first report to focus on the disease burden of a case study incurred by the imported *** results indicated that the median direct medical cost was 2,904.4 CNY and the median indirect cost was 242.0 CNY for a patient’s hospitalization.

关键词： Malaria malaria Influencing

Ancylostoma ceylanicum and other zoonotic canine hookworms:neglected public and animal health risks in the Asia-Pacific region

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Animal Diseases 2024年第1期4卷 59-74页

作者： Jan Clyden B.Tenorio lan Kim B.Tabios Tawin Inpankaew Adrian P.Ybanez Saruda Tiwananthagorn Sirikachorn Tangkawattana Sutas Suttiprapa Tropical Medicine Graduate program Faculty of MedicineKhon Kaen UniversityKhon Kaen 40002Thailand Department of Tropical Medicine Faculty of MedicineKhon Kaen UniversityKhon Kaen 40002Thailand WHO Collaborating Center for Research and Control of Opisthorchiasis(Southeast Asian Liver Fluke Disease) Tropical Disease Research CenterKhon Kaen UniversityKhon Kaen 40002Thailand Department of Veterinary Paraclinical Sciences College of Veterinary MedicineUniversity of Southern MindanaoKabacan9407 CotabatoPhilippines Institute of biology College of ScienceUniversity of the Philippines DilimanManila 1101Philippines Department of Parasitology Faculty of Veterinary MedicineKasetsart UniversityBangkok 10900Thailand College of Veterinary Medicine at Barili Campus and Center for Vector-Borne and Protozoan Diseases at Main Campus Cebu Technological UniversityCebu City 6000Philippines Department of Veterinary Biosciences and Public Health Faculty of Veterinary MedicineChiang Mai UniversityChiang Mai 50100Thailand Research Center for Veterinary Biosciences and Veterinary Public Health Chiang Mai UniversityChiang Mai 50100Thailand Faculty of Veterinary Medicine Khon Kaen University.Khon Kaen 40002Thailand

Zoonotic hookworm infections remain a significant public health problem,causing nearly 500 milion cases globally and approximately four million disability-adjusted life years lost *** than one-fth of these cases are attrib-uted to Ancylostoma ceylanicum,an emerging zoonotic health issue in the Asia-Pacific *** review presents key research gaps regarding the epidemiology,diagnosis,control,prevention and elimination of *** and other canine zoonotic hookworms as neglected health *** is the second most prevalent human hook-worm in the region;it is the most common hookworm among dogs and cats-reservoirs of zoonotic *** population genetic and phylogenetic analyses revealed that *** has three possible transmis-sion dynamics:zoonotic,animal-only,and human-only *** actual burden of zoonotic ancylostomiasis in most endemic countries remains unknown due to the use of parasitological techniques(e.g.,Kato-Katz thick smear and floatation techniques)that have reduced diagnostic performance and do not allow accurate species identifica-tion in helminth *** emergence of benzimidazole resistance in soil-transmitted helminths(STHs),includ-ing hookworms,is a concern due to the protracted implementation of mass drug administration(MDA).Resistance is conferred by single nucleotide polymorphisms(SNPs)that occur in theβ-tubulin isotype 1 *** mutations have been reported in drug-resistant *** but have not been found in *** in the *** remains understudied in the Asia-Pacific *** zoonotic nature of the parasite warrants investigation of its occur-rence in human and animal reservoir hosts to understand the dynamics of zoonotic transmission in different endemic *** detection of benzimidazole resistance-associated SNPs in zoonotic hookworms from Asia-Pacific countries has yet to be thoroughly *** the high level of hookworm endemicity in the region

关键词： Soil-transmitted helminths Neglected tropical diseases Mass drug administration Deworming Veterinary public health

First records of Triatoma rubrofasciata(De Geer,1773)(Hemiptera,Reduviidae)in Foshan,Guangdong Province,Southern China

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Infectious Diseases of Poverty 2017年第1期6卷 1143-1148页

作者： Qin Liu Yun-Hai Guo Yi Zhang Zheng-Bin Zhou Liang-Liang Zhang Dan Zhu Xiao-Nong Zhou National Institute of Parasitic Diseases Chinese Center for Disease Control and PreventionKey Laboratory of Parasite and Vector BiologyMinistry of HealthWHO Collaborating Center for Tropical DiseasesShanghai 200025People’s Republic of China

Background:Triatomines,also known as kissing bugs,which are found throughout the world and especially in Latin America,are well known natural vectors that transmit American trypanosomiasis,also called Chagas *** China,the presence of two species of Triatoma(Triatoma rubrofasciata and ***)was recorded in the *** to the growing population and the increasing risk of the global spread of Chagas disease,triatomines became a potential public health nuisance,and in 2016,we started monitoring triatomine activities in southern ***:Triatomine specimens were collected by the National Institute of Parasitic Diseases,Chinese Center for Disease Control and Prevention,and identified by their morphological characteristics under a dissecting *** addition to morphological analysis,the genomic DNA of the specimens was extracted,and the mitochondrial 16S rRNA,the cytochrome b(CytB)gene and the nuclear ribosomal 28S rRNA gene were PCRamplified to analyze and confirm the species ***:One female adult insect and one male adult insect were collected in a dwelling in the rural area of Shunde County,Foshan City,Guangdong Province,China(22°42′44.63″N,113°08′45.34″E).The results from the morphological and genetic analyses indicated that these triatomines were ***:This is the first time that the occurrence of *** has been confirmed in Foshan City,Guangdong Province in southern *** studies are needed to reach a clearer understanding of the ecology of this species of triatomine,since it has been found to be naturally infected by Trypanosoma cruzi and *** and there is evidence of its domiciliation capabilities.

关键词： Triatominae Triatoma rubrofasciata Foshan Southern China

The Identification of the Cryptosporidium ubiquitum in Pre-weaned Ovines from Aba Tibetan and Qiang Autonomous Prefecture in China

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Biomedical and Environmental Sciences 2011年第3期24卷 315-320页

作者： SHEN YuJuan YIN JianHai YUAN ZhongYing LU WeiYuan XU YuXin XIAO LiHua CAO JianPing National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention Laboratory of Parasite and Vector Biology MOH China WHO Collaborating Centre for Malaria Schistosomiasis and Filariasis Shanghai 200025 China Centers for Disease Control and Prevention Atlanta Georgia USA

Objective Cryptosporidium spp. are prevalent globally and sheep are an important zoonotic reservoir. Little data regarding the rates of Cryptosporidium infections in ovines in China are available. This study assessed the prevalence of Cryptosporidium spp. in pre-weaned ovines from Aba Tibetan and Qiang Autonomous Prefecture in the Sichuan province of China. Methods A total of 213 fecal samples were collected from pre-weaned ovines and were examined microscopically （following modified acid fast staining）. In addition, 18S rRNA genetic sequences were amplified from fecal samples by nested PCR and phylogenetically analyzed. Results The prevalence of Cryptosporidium in the collected samples was at 14.6% （31/213） and four isolates identified by PCR belonged to the Cryptosporidium cervine genotype （Cryptosporidium ubiquiturn） demonstrating that this species was the primary sheep species found in sheep in China. Conclusion The present study suggested that the high incidence of Cryptosporidium in sheep poses a significant public health threat and that surveillance practices must be established to prevent zoonotic disease of humans.

关键词： Cryptosporidium ubiquitum Ovines Aba China Cryptosporidium cervine genotype

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Biomedical and Environmental Sciences 2013年第6期26卷 492-495页

作者： YIN Jian Hai YUAN Zhong Ying CAI Hui Xia SHEN Yu Juan JIANG Yan Yan ZHANG Jing WANG Yan Juan CAO Jian Ping National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention Key Laboratory of parasite and Vector biology MOHChina WHO Collaborating Center for Malaria Schistosomiasis and Filariasis Qinghai Institue for Endemic Disease Prevention and Control

Objective Pigs, as hosts of zoonotic Cryptosporidium species/genotypes, are domestic animals with public health significance. The present study was to characterize the infection rate and species/genotype of Cryptosporidium in pre-weaned and post-weaned pigs from Shanghai and Shaoxing, China. Methods A total of 208 fecal samples （42 from pre-weaned piglets, and 166 from post-weaned pigs） were examined by nested PCR of the 185 rRNA gene and analyzed by phylogenetic DNA fragment sequencing of secondary PCR products. Results Infection was detected in 79 samples （19/42 pre-weaned piglets, and 60/166 post-weaned pigs）. C. suis （14/79） and Cryptosporidium pig genotype II （65/79） were identified; piglets were more susceptible to the former （13/14） and post-weaned pigs to the latter （59/65）. Conclusion Infection of Cryptosporidium spp. in pigs was age-specific; piglets were more susceptible to C. suis while pigs were more susceptible to Cryptosporidium pig genotype II. These findings combined with the isolation of the two Cryptosporidium from water suggest that pigs may be a source of zoonotic Cryptosporidium water pollution. Improvements in pig feeding practices, sewage discharge, feces disposal and field worker protection are therefore important to prevent potential public health problems.

关键词： Cryptosporidium suis Cryptosporidium pig genotype II Age-specificity Pigs China