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TL;DR
The study found that 0.2% of the US population aged 6 years and older had HBV infection, and only half of those infected were aware of their status.
Hepatology Communications · 5 authors, 1 centre
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The study found that 0.2% of the US population aged 6 years and older had HBV infection, and only half of those infected were aware of their status.
This study used data from the National Health and Nutrition Examination Survey (NHANES) conducted from January 2017 to March 2020 to estimate the prevalence and awareness of Hepatitis B virus (HBV) infection in the US. Laboratory testing identified HBV infection (positive for both anti-HBc and HBsAg), and interviews assessed awareness. The analysis estimated an HBV infection prevalence of 0.2% among persons aged 6 years and older, corresponding to approximately 660,000 individuals. The study notes several limitations, including a response rate of about 50%, exclusion of certain populations like incarcerated persons, and imprecise subgroup estimates due to small sample sizes.