Epidemiological characteristics of malaria in Nanchang City from 2016 to 2020
10.3760/cma.j.cn231583-20210324-00094
- VernacularTitle:2016 - 2020年南昌市疟疾流行病学特征分析
- Author:
Guohua PENG
1
;
Zhuhua HU
;
Yanshuang SUN
;
Jia LUO
;
Xiaojun YANG
Author Information
1. 南昌市疾病预防控制中心 传染病预防控制国家重点实验室研究基地 江西省动物源与媒介生物性传染病重点实验室，南昌 330038
- Keywords:
Malaria;
Epidemiology;
Imported cases;
Analysis
- From:
Chinese Journal of Endemiology
2022;41(1):66-70
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To understand the epidemic characteristics of malaria in Nanchang, and provide a basis for timely adjustment of prevention and control strategies and measures after elimination of malaria in Nanchang.Methods:By retrospective analysis, the malaria case information and epidemiological case questionnaire reported in Nanchang from 2016 to 2020 were collected from the "China Disease Control and Prevention Information System Infectious Disease Report Information Management System" and "Parasitic DiseasePrevention and Control Information Special Report System". General situation of the cases, three distributions (time, region and population distributions) and the source of infection were described and statistically analyzed.Results:A total of 69 malaria cases were reported in Nanchang from 2016 to 2020, including 39 cases of falciparum malaria, 19 cases of vivax malaria, 9 cases of ovale malaria, 1 case of quartan malaria and 1 case of mixed infection. The onset time of 69 malaria cases was not seasonal, and cases were reported every month; they were distributed in 8 districts (counties) of Nanchang, with Jinxian County was most, accounting for 36.2% (25/69); the sex ratio of men and women was 22 ∶ 1 (66 ∶ 3), and the age of the cases was mainly 20 - < 60 years old, accounting for 97.1% (67 cases); the occupation distribution was dominated by workers, accounting for 26.1% (18/69). The 69 malaria cases were all imported cases from abroad, of which 67 cases were imported from Africa, accounting for 97.1%.Conclusions:There is no report of local malaria case in Nanchang from 2016 to 2020, all cases are imported from abroad. In the future, the control and prevention of imported personnel from abroad should be strengthened.
