Epidemic situation of imported malaria in Chengdu City from 2012 to 2016 / 中国血吸虫病防治杂志

ABSTRACT

Objective To understand the malaria epidemic situation in Chengdu City,so as to provide the evidence for effec-tively carrying out the malaria elimination work. Methods The data of imported malaria in Chengdu City from 2012 to 2016 were collected from the Disease Surveillance Information Reporting System of Chinese Center for Disease Control and Prevention and analyzed respectively. Results A total of 240 imported malaria cases were reported in Chengdu City from 2012 to 2016. In de-tail,68.75％of the cases were falciparum malaria cases,20.41％were vivax malaria cases,2.50％were quartan malaria cases, 6.25％were ovale malaria cases,and 2.08％were mixed Plasmodium infections. Among them three patients died,with a mortali-ty of 1.25％. All of the cases were infected overseas,among which 224 patients returned from Africa and 16 patients from South-east Asia. The annual average morbidity was 0.28/100000,and there was a significantly difference among annual average mor-bidities(χ2=23.87,P0.05). Conclusion The number of overseas imported malaria in Chengdu City increases year by year. The effective measures to control the overseas imported malaria should be strengthened to consolidate the achievements of malar-ia elimination.