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Laboratory diagnosis for malaria in the elimination phase in China: efforts and challenges

《医学前沿（英文）》 2022年第16卷第1期页码 10-16 doi: 10.1007/s11684-021-0889-7

摘要： Malaria remains a global health challenge, although an increasing number of countries will enter pre-elimination and elimination stages. The prompt and precise diagnosis of symptomatic and asymptomatic carriers of Plasmodium parasites is the key aspect of malaria elimination. Since the launch of the China Malaria Elimination Action Plan in 2010, China has formulated clear goals for malaria diagnosis and has established a network of malaria diagnostic laboratories within medical and health institutions at all levels. Various external quality assessments were implemented, and a national malaria diagnosis reference laboratory network was established to strengthen the quality assurance in malaria diagnosis. Notably, no indigenous malaria cases have been reported since 2017, but the risk of re-establishment of malaria transmission cannot be ignored. This review summarizes the lessons about malaria diagnosis in the elimination phase, primarily including the establishments of laboratory networks and quality control in China, to better improve malaria diagnosis and maintain a malaria-free status. A reference is also provided for countries experiencing malaria elimination.

关键词： malaria laboratory diagnosis quality control malaria elimination China

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Cross-sectional prevalence and pattern of non-anaemia severe malaria among 2–10 year olds in Sokoto in

《医学前沿（英文）》 2022年第16卷第6期页码 969-974 doi: 10.1007/s11684-021-0912-z

摘要： Malaria is highly prevalent in Nigeria and accounts for approximately 40% of global malaria mortality. However, most reports on severe malaria in Nigeria are from hospital-based studies without accurate information from communities; thus, malaria-related deaths in the community are left untracked. This study aimed to describe the prevalence and pattern of severe malaria in a community in Northwestern Nigeria. A cross-sectional study was conducted among 2–10-year-old children in Sokoto, in August and December 2016, to determine the endemicity of malaria based on Plasmodium falciparum prevalence rate (PfPR2-10) and to describe the disease pattern. Severe malaria was diagnosed according to the World Health Organisation criteria. Data were described using Stata version 15. The prevalence of non-anaemia severe malaria was higher than expected (2.6%), considering the endemicity pattern which was mesoendemic based on a PfPR2-10 of 34.8%. The mean age of children with severe malaria was 3.73 years, and the male–female ratio was 2:1. However, 54.0% of the patients had hyperparasitaemia. A relatively high prevalence of non-anaemia severe malaria was found in Wamakko. This finding suggests the need to identify and treat cases in the community using modifications of current strategies, particularly seasonal malaria chemoprophylaxis.

关键词： severe malaria nigeria malaria mortality PfPR2-10 intermediate malaria transmission

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Achievements of the national malaria control and elimination program in the People’s Republic of China

《医学前沿（英文）》 2023年第17卷第1期页码 85-92 doi: 10.1007/s11684-021-0917-7

摘要： 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 2021. To 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 out. Results 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 levels. The 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 levels. It objectively and directly shows the epidemic history, evolution process, and great achievements of the national malaria control and elimination program in China. The 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

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青蒿素——一种从中药中发现的神奇药物 Review

王继刚, 徐承超, 王彦钧, 李玉洁, 廖福龙, 姜廷良, 屠呦呦

《工程（英文）》 2019年第5卷第1期页码 32-39 doi: 10.1016/j.eng.2018.11.011

摘要：

青蒿素及其衍生物是治疗疟疾最重要且最具影响力的一类药物。自20世纪70年代初发现青蒿素以来，国际上在研究这种非凡的植物化学药物及探明其独特的化学和药理特性方面取得了巨大进展。现今，虽然青蒿素及其衍生物仍然是抗疟的支柱药物，它们的持续应用和发展也面临许多挑战。这些挑战包括青蒿素治疗疟疾过程中出现的耐药现象以及青蒿素在其它疾病中的应用。在这篇综述中，我们描述了青蒿素类药物的早期发现和发展过程、应用现状以及未来的发展前景。另外，我们总结了当前的青蒿素机制研究情况并提出了我们自己的看法，同时强调了机制研究对于青蒿素类药物在抗疟以及其它疾病治疗中的重要性。

关键词：青蒿作用机制疟疾抗癌