Fig. 2From: Spatial-temporal distribution of human brucellosis in mainland China from 2004 to 2017 and an analysis of social and environmental factorsThe number of monthly brucellosis cases from January 2004 to December 2018 in mainland China. The number of brucellosis patients increased between 2004 and 2018. Brucellosis occurred mostly from March to August and was concentrated in April to July in each yearBack to article page