Carvalhana, SofiaPinto, RuiLeitão, JorgeSilva, Ana PaulaAlves, CatarinaBourbon, MafaldaCarvalho, ArmandoCortez-Pinto, Helena2015-02-172015-02-172014-10http://hdl.handle.net/10400.18/2877Introduction: The burden of hepatitis B infection around the world is very high1; Hepatitis B National Vaccination Programe in Portugal: - all adolescents since 1995 - all new-borns in the year 2000. Aim: evaluate how it affected serological markers of hepatitis B in the general population and in high-risk group.porDeterminantes Imunológicos em Doenças CrónicasHepatitis BPortugalHepatitis B serologic markers after 14 years of universal new-born vaccinationconference object