Figure 1From: Integrated syphilis/HIV screening in China: a qualitative analysis Reported syphilis cases in Guangdong Province, China, from 1996-2008. L1 -- primary syphilis; L2 -- secondary syphilis; L3 -- tertiary syphilis. Source: Guangdong Provincial STI/Leprosy Conference 2009, Jiangmen City, China.Back to article page