Fig. 2From: 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 2018Quarter distribution of malaria cases reported in Shanxi Province, China between 1th January 2013 and 31th December 2018. *The dotted line in the figure indicates the Spring Festival timeBack to article page