中国疟疾流行病学特征:消除后不可忽视的疟疾。

IF 8.1 1区 医学 Infectious Diseases of Poverty Pub Date : 2023-11-20 DOI:10.1186/s40249-023-01156-2
Li Zhang, Bo-Yu Yi, Shui-Sen Zhou, Zhi-Gui Xia, Jian-Hai Yin
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引用次数: 0

摘要

背景:与恶性疟原虫和间日疟原虫相比,疟疾一直被忽视。在本研究中,我们旨在描述过去十年报告的疟疾疟原虫感染病例的流行病学,以提高人们对这种疟疾寄生虫在中国的潜在威胁的认识。方法:通过中国疾病预防控制信息系统和寄生虫病信息报告管理系统,收集近十年来中国报告的疟疾感染病例的个人资料,探讨其流行病学特征。统计分析采用皮尔逊卡方检验或费雪精确检验。结果:2013 - 2022年,中国共报告疟疾疟原虫病例581例,主要集中在20 ~ 59岁人群(P)。结论:尽管疟疾疟原虫感染病例在全国报告疟疾病例中所占比例不高,但广泛分布的输入病例、少数本土病例、复发病例和诱发病例构成的威胁在中国不容忽视。因此,有必要提高对疟疾疟原虫等非恶性疟种的认识,加强监测和应对,防止疟疾在消灭后重新传播。
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Epidemiological characteristics of Plasmodium malariae malaria in China: a malaria that should not be neglected post elimination.

Background: Plasmodium malariae was always neglected compared with P. falciparum and P. vivax. In the present study, we aimed to describe the epidemiology of reported cases infected with P. malariae in the past decade to raise awareness of the potential threat of this malaria parasite in China.

Methods: Individual data of malaria cases infected with P. malariae reported in China in the past decade were collected via the China Information System for Disease Control and Prevention and Parasitic Diseases Information Reporting Management System, to explore their epidemiological characteristics. Pearson Chi-square tests or Fisher's Exact Test was used in the statistical analysis.

Results: From 2013 to 2022, a total of 581 P. malariae cases were reported in China, and mainly concentrated in 20-59 years old group (P < 0.001), and there was no significant trend in the number of cases reported per month. Moreover, four kinds of P. malariae cases were classified, including 567 imported cases from 41 countries in 8 regions and distributed in 27 provinces (autonomous regions, municipalities) in China, six indigenous cases in a small outbreak in Hainan, seven recurrent cases in Guangdong and Shanghai, and one induced case in Shanghai, respectively. In addition, only 379 cases (65.2%) were diagnosed as malaria on the first visit (P < 0.001), and 413 cases (71.1%) were further confirmed as P. malariae cases (P = 0.002). Meanwhile, most cases sought healthcare first in the health facilities at the county and prefectural levels, but only 76.7% (161/210) and 73.7% (146/198) cases were diagnosed as malaria, and the accuracy of confirmed diagnosis as malaria cases infected with P. malariae was only 77.2% (156/202) and 69.9% (167/239) in these health facilities respectively.

Conclusions: Even though malaria cases infected with P. malariae didn't account for a high proportion of reported malaria cases nationwide, the threat posed by widely distributed imported cases, a small number of indigenous cases, recurrent cases and induced case cannot be ignored in China. Therefore, it is necessary to raise awareness and improve the surveillance and response to the non-falciparum species such as P. malariae, and prevent the reestablishment of malaria transmission after elimination.

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来源期刊
Infectious Diseases of Poverty
Infectious Diseases of Poverty INFECTIOUS DISEASES-
自引率
1.20%
发文量
368
期刊介绍: Infectious Diseases of Poverty is an open access, peer-reviewed journal that focuses on addressing essential public health questions related to infectious diseases of poverty. The journal covers a wide range of topics including the biology of pathogens and vectors, diagnosis and detection, treatment and case management, epidemiology and modeling, zoonotic hosts and animal reservoirs, control strategies and implementation, new technologies and application. It also considers the transdisciplinary or multisectoral effects on health systems, ecohealth, environmental management, and innovative technology. The journal aims to identify and assess research and information gaps that hinder progress towards new interventions for public health problems in the developing world. Additionally, it provides a platform for discussing these issues to advance research and evidence building for improved public health interventions in poor settings.
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