[2015年四川省输入性疟疾的流行病学特征]

[Epidemiological characteristics of imported malaria in Sichuan Province in 2015].

作者信息

Li Li, Liu Yang, Xu Guo-jun, Yu Tao, Zou Yan, Wu Xiao-hong, Zhong Bo

出版信息

Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi. 2017 Feb;35(1):75-9.

Abstract

OBJECTIVE

To analyze the epidemiological characteristics of imported malaria in Sichuan Province in 2015 in the aim of providing scientific basis for malaria control.

METHODS

The epidemiological data of malaria in Sichuan Province reported through the Infectious Disease Reporting and Management System of China Information System for Disease Control and Prevention in 2015 were collected and analyzed.

RESULTS

In 2015,290 malaria cases were reported in Sichuan Provinc, consisting of 158 falciparum malaria cases (54.5%),107 vivax malaria cases (36.9%),14 ovale malaria cases (4.8%), one quartan malaria case(0.3%), and 10 mixed infections of vivax malaria and falciparum malaria (3.5%). Five cases of falciparum malaria died. The reported cases were all imported, with a major source of Africa (271, 93.4%), in which Ethiopia (83) and Angola (49) were two major sources. The cases were reported continuously from January to December, with the majority(139, 47.9%) being reported in December, August, June and July. The cases distributed mainly in Guangan, Chengdu, Nanchong, Mianyang, Deyang, Luzhou and Suining(243, 83.8%). Among the 209 cases who first visited medical units after onset, 118 cases were diagnosed as malaria, the misdiagnosis rate at first visit was 43.5%(91/209).

CONCLUSION

The malaria cases reported in Sichuan Province in 2015 are all imported from overseas, mainly infected with P. falciparum and P. vivax, and imported mostly from Africa. There is a high rate of misdiagnosis in medical units in Sichuan Province.

摘要

目的

分析2015年四川省输入性疟疾的流行病学特征，为疟疾防控提供科学依据。

方法

收集并分析2015年通过中国疾病预防控制信息系统传染病报告管理系统报告的四川省疟疾流行病学资料。

结果

2015年四川省共报告疟疾病例290例，其中恶性疟158例（54.5%），间日疟107例（36.9%），卵形疟14例（4.8%），三日疟1例（0.3%），间日疟与恶性疟混合感染10例（3.5%）。恶性疟死亡5例。报告病例均为输入性，主要来源地为非洲（271例，93.4%），其中埃塞俄比亚（83例）和安哥拉（49例）为两大来源地。病例报告时间从1月持续至12月，12月、8月、6月和7月报告病例数最多（139例，47.9%）。病例主要分布在广安、成都、南充、绵阳、德阳、泸州和遂宁（243例，83.8%）。在发病后首次就诊的209例患者中，118例被诊断为疟疾，首诊误诊率为43.5%（91/209）。