Fig. 1From: Monitoring and evaluation of intervals from onset of fever to diagnosis before “1-3-7” approach in malaria elimination: a retrospective study in Shanxi Province, China from 2013 to 2018The number of the origin of imported cases (a) and distribution of imported cases in Shanxi Province of China stratified by species (b) between 1th January 2013 and 31th December 2018Back to article page