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重庆市沙坪坝区 1999～ 2 0 0 0年 7～ 2 2岁在校学生患淋病 14 9例 ,梅毒 2 5例 ,发病的主要年龄段为 19～ 2 2岁
Shapingba District, Chongqing From 1999 to 2000, there were 149 cases of gonorrhea and 25 cases of syphilis among school-aged children aged 7-2 2 years. The main age of onset was 19-2 2 years old