Hepatitis B virus (HBV) is transmitted through contact with blood or bodily fluids of an infected individual, including perinatal transmission from an infected mother to her child, with most of the latter cases occurring during delivery. Chronic infections develop in 80% to 90% of infants infected with HBV, often resulting in serious long-term health complications such as cirrhosis, liver failure, hepatocellular carcinoma, and death.1
Henderson JT, Webber EM, Bean SI. Screening for Hepatitis B Infection in Pregnant Women: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA. 2019;322(4):360–362. doi:10.1001/jama.2019.1655
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