Objective To anylyze the physical check-up data and understand the HBsAg positive rate in workers from other areas in Songgang District of Shenzhen from 2003 to 2006 and provide scientific baseis for making effective control measures.

• 目的了解2003~2006年深圳松岗街道劳务工HBsAg检出阳性率,为制定防治措施提供科学依据。