简介：AbstractBackground:Following initiation of China’s National Malaria Elimination Action Plan (NMEAP) in 2010, the '1-3-7’ approach was developed and rolled out in China to facilitate the malaria elimination programme and accelerate malaria elimination. This study aims to summarize and condense these experiences through a retrospective analysis in Jiangsu Province, which could be adapted and applied in other malaria elimination settings worldwide.Methods:A retrospective analysis of imported malaria cases into China identified through an improved surveillance and response system in Jiangsu Province was carried out for the period of 2001-2020. To improve the malaria surveillance and response system, Centers for Diseases Control and Prevention from the prefectures and counties in Jiangsu province conducted population-level health education to improve healthcare seeking behavior, strengthened capacity of health facilities to improve performance of malaria diagnosis and treatment, and raised the capacity of public health providers to improve implementation of the '1-3-7’ approach. Categorical variables were carried out by Chi square tests with Fisher’s exact correction.Results:From 2001 to 2020, a total of 9,879 malaria cases were reported in Jiangsu Province. Since 2012, no indigenous malaria cases have been reported in Jiangsu Province. However, in recent years, there has been a substantial increase of imported falciparum malaria cases. Between 2012 and 2020, an estimated 61.57 million individuals have benefited from population-level health education in Jiangsu Province. For healthcare-seeking services among the 2,423 imported malaria cases, 687 (28.4%) and 1,104 (45.6%) cases visited hospitals on the first day and the second day from symptom onset, respectively. A total of 1,502 (61.9%) cases were diagnosed on the first day at medical facilities. Jiangsu Province achieved 100%, 99.4% and 98.3% completion rate in terms of case detection and notification (within one day), case investigation (within three days) and foci response and disposition (within seven days), respectively. The improved surveillance and response system in Jiangsu Province plays an important role in preventing the re-introduction of malaria and maintaining the malaria-free status.Conclusions:Jiangsu Province has maintained its malaria-free status since 2012. The continuous improvement of a surveillance and response system plays an important role in the early detection and rapid response of potential malaria-related outbreaks in Jiangsu, China, and has important lessons for other malaria eliminating settings. Remaining vigilant in the detection of imported malaria cases and maintaining an active surveillance and response system is critical to sustain the success of malaria elimination.

简介：AbstractChina has accumulated multiple practices and experiences in building and enhancing malaria surveillance and response system. As China’s engagement into global health has gathered stronger momentum than ever, China together with the Swiss Tropical and Public Health Institute and WHO has organised five sessions of the International Forum on Surveillance-Response System Leading to Tropical Diseases Elimination during 2012-2020, in which malaria elimination has always been one of the hottest topics. In this study, the roles of international network on the surveillance and response system were explored to achieve a global malaria-free goal. China’s approach to malaria elimination has demonstrated significance of global collaboration on taking joint prevention and control, and building a worldwide institutional-based network.

简介：AbstractCyclone Idai, which hit Mozambique in March 2019, was one of the worst climate-related natural disasters on record in the Southern Hemisphere causing massive destruction of housing and disruption to vital infrastructure including the electrical grid, communications and water supply. Almost two million people were affected with over 600 deaths, hundreds of thousands of people displaced accompanied by rapid spread of cholera. We describe emergency measures taken by the Government of Mozambique, in collaboration with multilateral partners, to establish a real-time disease surveillance system, implement interventions recommended by a Water, Sanitation and Hygiene (WASH) taskforce and rapidly scale up a massive community vaccination program to control a cholera epidemic.

简介：ForewordInJune2013,themediaintheUK,theUnitedStatesandChina’sHongKongexposedtheNationalSecurityAgency’sclandestinesurveillanceprogram,codenamedPRISM,usingdocumentsreleasedbytheformerNSAcontractorEdwardSnowden.Theleakedinformationprovokedshockandoutrage.Subsequently,aninvestigationcarriedoutbyvariousChinesegovernmentdepartmentsoverseveralmonthsconfirmedtheexistenceofsnoopingactivitiesdirectedagainstChina.

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简介：Thispaperpresentsahumandetectionsysteminavision-basedhospitalsurveillanceenvironment.Thesystemiscomposedofthreesubsystems,i.e.backgroundsegmentationsubsystem(BSS),humanfeatureextractionsubsystem(HFES),andhumanrecognitionsubsystem(HRS).ThecodebookbackgroundmodelisappliedintheBSS,thehistogramoforientedgradients(HOG)featuresareusedintheHFES,andthesupportvectormachine(SVM)classificationisemployedintheHRS.Bymeansoftheintegrationofthesesubsystems,thehumandetectioninavision-basedhospitalsurveillanceenvironmentisperformed.Experimentalresultsshowthattheproposedsystemcaneffectivelydetectmostofthepeopleinhospitalsurveillancevideosequences.

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简介：Traditionalbackgroundmodelmethodsoftenrequirecomplicatedcomputations,andaresensitivetoilluminationandshadow.Inthispaper,weproposeablock-basedbackgroundmodelingmethod,anduseourproposedmethodtocombinecolorandtexturecharacteristics.Suppressionandrelaxationarethetwokeystrategiestoresistilluminationchangesandshadowdisturbance.Theproposedmethodisquiteefficientandiscapableofresistingilluminationchanges.Experimentalresultsshowthatourmethodissuitableforreal-wordscenesandreal-timeapplications.

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简介：AbstractGamete production is essential for mammalian reproduction. In the ovaries, the primordial follicle, which is the basic reproductive unit, is formed either perinatally or during the second pregnancy stage in humans. However, some oocytes die before the establishment of the primordial follicle pool. Consequently, it is essential to uncover how the size of the primordial follicle pool is determined and how the programmed cell death of oocytes is performed under potential surveillance. According to recent studies, the fate of oocytes in the fetal ovary seems to be determined by different protective strategies through the timely control of apoptosis or autophagy. In this review, we discuss at least three oocyte-derived protective biomarkers, glycogen synthase kinase 3 beta, X-linked inhibitor of apoptosis, and Lysine-specific demethylase 1 (also known as KDM1A), responsible for surveilling the developmental quality of fetal oocytes to coordinate primordial follicle formation in the fetal ovary. This review contributes to a better understanding of the secrets of the female reproductive reserve under physiological conditions.

简介：Apassiveopticalnetwork(PON)monitoringsystemcombinedlightpulseandfrequencysweeptechniquesisproposedandverifiedinafieldtest.Thelightpulsesurveysovertheallwholenetworkandthefrequencysweepareusedtoinvestigateanyfaultinthelink.Thefieldtestisperformedwith4PONs.EachPONismonitoredat4ports,oneisthesplitterportandtheotherthreearearbitrarychosenmultipleopticalunits(ONUs).AllthetestedPONsaremonitoredinturnsonceperhour.Faultsatthefeederandbranchfiberhavebeenobservedinthisfieldtestandhavebeenanalyzedwiththemonitoringsystem.

简介：AbstractPurpose:An injury surveillance information system (ISIS) collects, analyzes, and distributes data on injuries to promote health care delivery. The present study aimed to review the data elements and functional requirements of this system.Method:This study was conducted in 2019. Studies related to injury surveillance system were searched from January 2000 to September 2019 via the databases of PubMed, Web of Knowledge, ScienceDirect, and Scopus. Articles related to the epidemiology of injury, population survey, and letters to the editor were excluded, while the review and research articles related to ISISs were included in the study. Initially 324 articles were identified, and finally 22 studies were selected for review. Having reviewed the articles, the data needed were extracted and the results were synthesized narratively.Results:The results showed that most of the systems reviewed in this study used the minimum data set suggested by the World Health Organization injury surveillance guidelines along with supplementary data. The main functions considered for the system were injury track, data analysis, report, data linkage, electronic monitoring and data dissemination.Conclusion:ISISs can help to improve healthcare planning and injury prevention. Since different countries have various technical and organizational infrastructures, it is essential to identify system requirements in different settings.

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简介：AbstractGlobally, rabies remains a serious threat to public health. In particular, large number of cases continue to be detected in Africa and Asia. China has experienced three major outbreaks with the current epizootic starting in 1990s, peaking in 2007 with 3,300 cases, and consistently decreasing since this point. A key factor of the success in keeping the rabies outbreak under control is the National Public Health Reporting Program that was introduced to coordinate surveillance at provincial and regional levels. Through this program, it is possible to obtain an integrated overview of how rabies was spreading and how various factors were contributing to the outbreak. At the same time, samples have been collected from suspected rabies cases and a subset of positive samples selected for sequencing. In this way, it is possible to investigate the outbreak from a phylogenetic perspective, providing the comprehensive description of a rabies outbreak to date. In this work, we review rabies control efforts over the last 20 years, and show how this integrated approach has led to a deeper characterization of the outbreak and a better understanding of the factors driving the spread of the disease.

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简介：Theretrospectinvestigationfor127returnedChineselaborserviceswhoworkedinGabonwerecarriedout,andmalariabloodsmear,bloodserumtestwerecarriedout.Therewere32workersgotmalaria,theproportionwas25.2percent.Forthreeofthepatients,themalarialparasitetestpresentedpositivereaction,andthesuperintendenceofquarantinedoctor,theywereisolatedtocure.Duringthethreepatientshadanothersufferingfrommalariafever,theytookantimalariamedicine,theirsymptomwasimproved,thecourseofdiseasewasreduced,andthecurativeaffectwasobvious.FortheChineselaborserviceswhogototheseriousmalariacountry,itisimportantthatthehealthprotectionoftravelmedicineshouldbedonewell.

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