Global Patterns of chronic hbv infection High(8%): 45% of global population lifetime risk of infection >60% early childhood infections common Intermediate(2%0-7%): 43% of global population lifetime risk of infection 20%-60% infections occur in all age groups LoW(<2%): 12% of global population lifetime risk of infection <20% most infections occur in adult risk groups• High (>8%): 45% of global population – lifetime risk of infection >60% – early childhood infections common • Intermediate (2%-7%): 43% of global population – lifetime risk of infection 20%-60% – infections occur in all age groups • Low (<2%): 12% of global population – lifetime risk of infection <20% – most infections occur in adult risk groups Global Patterns of Chronic HBV Infection