Abstract:

A total of 179 imported malaria cases were reported in Jinhua City during 2015-2017, comprising 149 falciparum malaria cases, 13 vivax malaria cases, 11 ovale malaria cases, 3 quartan malaria cases and 3 mixed infections. The place of infection source was predominated by Sub-Saharan African countries. Cases distributed in all the 9 counties/districts of the city, of which Yiwu ranked top in the number of cases (105, 58.7%). The cases were mostly young males, working mainly in commercial services and as migrant workers. About half of the cases had been infected by malaria during their stay abroad, but only one third of them received standard treatments. Clinically, most of the cases were stable, only 10 showed severe conditions. All recovered after standard treatment. The initial misdiagnosis rate was 32.40% (58/179), which was higher in township health centers (61.5%, 8/13) and private clinics (97.1%, 34/35). The median intervals from onset to primary diagnosis, primary diagnosis to confirmation, onset to confirmation, and confirmation to medication were 1, 1, 3 and 0 days, respectively.

Key words: Malaria, Imported, Epidemiology, Jinhua City