| hepatitis b surface antibodies in medical students from a public university in puebla, mexico. | although preventable with vaccination, hepatitis b virus (hbv) infection is a major health concern, with ∼400 million people at risk of developing the chronic form of the disease worldwide. the anti-hbv vaccine consists of a recombinant hbv surface antigen (hbsag), which induces specific anti-hbs antibodies and confers 95% protection for >20 y. the aim of the present study was to analyze the response to hbv vaccination by measuring anti-hbs antibodies in serum samples from medical students of a ... | 2016 | 27171749 |