Fig. 1From: Prevalence of hepatitis B virus, hepatitis C virus, human immunodeficiency virus and Treponema pallidum infections in hospitalized patients before transfusion in Xiangya hospital Central South University, China from 2011 to 2016Trends of age- related positive rates of HBsAg (panel b), aAnti-HCV (panel c), Aanti-HIV (panel a), and Aanti-TP (panel d), in patients from Xiangya Hospital Central South University, China, 2011–2016Back to article page