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Article in Chinese | WPRIM | ID: wpr-873741


Since 2015 when the transmission of schistosomiasis was controlled in China, the country has been moving towards elimination of schistosomiasis, with the surveillance-response as the main interventions for schistosomiasis control. During the period of the 13th Five-Year Plan, the transmission of schistosomiasis had been interrupted in four provinces of Sichuan, Jiangsu, Yunnan and Hubei and the prevalence of schistosomiasis has been at the historically lowest level in China. As a consequence, the goal set in The 13th Five-Year National Schistosomiasis Control Program in China is almost achieved. However, there are multiple challenges during the stage moving towards elimination of schistosomiasis in China, including the widespread distribution of intermediate host snails and complicated snail habitats, many types of sources of Schistosoma japonicum infections and difficulty in management of bovines and sheep, unmet requirements for the current schistosomiasis control program with the currently available tools, and vulnerable control achievements. During the 14th Five-Year period, it is crucial to consolidate the schistosomiasis control achievements and gradually solve the above difficulties, and critical to provide the basis for achieving the ultimate goal of elimination of schistosomiasis in China. Based on the past experiences from the national schistosomiasis control program and the challenges for schistosomiasis elimination in China, an expert consensus has been reached pertaining to the objectives, control strategy and measures for The 14th Five-Year National Schistosomiasis Control Program in China, so as to provide insights in to the development of The 14th Five-Year National Schistosomiasis Control Program in China.

Article in Chinese | WPRIM | ID: wpr-825233


Objective To analyze the epidemiological characteristics of imported malaria cases in Fujian Province from 2014 to 2018, so as to provide scientific basis for the development of the control strategy for imported malaria. Methods The epidemiological data of malaria cases in Fujian Province from 2014 to 2018 were retrieved from the Notifiable Disease Reporting System and Parasitic Disease Information Reporting System of Chinese Center for Disease Control and Prevention, and the classification, origin of infections, temporal distribution, spatial distribution, population distribution, reporting institutions and diagnosis were analyzed. Results A total of 540 overseas imported malaria cases were reported in Fujian Province from 2014 to 2018, and all cases were laboratory-confirmed, including 398 cases with falciparum malaria, 88 cases with vivax malaria, 38 cases with ovale malaria, 14 cases with malariae malaria and 2 cases with mixed infections. There were 90.56% (489/540) of the imported malaria cases with infections in 27 African countries, 5.92% (32/540) with infections in 5 Asian countries and 3.52% (19/540) with infections in one Oceania country. There was no significant seasonal distribution of the cases, and the imported malaria cases were predominantly detected in Fuzhou City (80.00%, 432/540) and at ages of 20 to 49 years (81.48%, 440/540). Initial diagnosis was predominantly at the city-level medical institutions, and 77.96% (421/540) were diagnosed as malaria at the initial diagnosis institutions. The median duration from onset to initial diagnosis was 2 days and 70.19% (379/540) were diagnosed within 3 days of onset. The interval between initial diagnosis and definitive diagnosis was 0 day, with 85.37% (461/540) definitively diagnosed within 3 days of initial diagnosis. Conclusions Overseas imported malaria is a continuous problem challenging the malaria elimination programme of Fujian Province. Improving the healthcare-seeking awareness and the diagnostic capability of healthcare workers, and intensifying the monitoring and management of malaria among overseas labors are strongly recommended.

Article in Chinese | WPRIM | ID: wpr-246175


<p><b>OBJECTIVE</b>To grasp the infection rate and genotypes of Japanese encephalitis virus (JEV) in mosquito in Fujian province.</p><p><b>METHODS</b>Mosquito specimens in Sanming city, Jianyang city and Fuzhou city in Fujian province were collected in 2010. RT-PCR was used to detect the JEV sequence from the mosquitoes by specific primers. The sequence splicing and the differentiation analysis for nucleotides, deduced amino acid sequence and phylogenetic tree were performed by the software of ATGC, Clustal X (1.83), MegAlign, GeneDoc 3.2 and Mega (4.0).</p><p><b>RESULTS</b>Totally 6987 mosquitoes were collected and main species was Culex tritaeniorhynchus and Anopheles sinensis. The infection rate of JEV in mosquitoes in Sanming, Jianyang and Fuzhou were 1.25%, 1.76% and 0.65%, respectively. One full genome in the positive specimens was sequenced. And further study showed that the positive JEV sequences belonged to genotype I.</p><p><b>CONCLUSION</b>Genotype I Japanese encephalitis virus is the main genotype in mosquitos in Fujian province.</p>

Animals , Culicidae , Virology , Encephalitis Virus, Japanese , Classification , Genetics , Genotype , Phylogeny , Time Factors