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Problem
Hepatitis B virus (HBV) infection is more likely to develop a state of chronicity in early life, particularly mother‐to‐child transmission (MTCT) of HBV in the fetus during pregnancy. Till now, little is known about the impact of chronic HBV infection on the immune status of the maternal‐fetus interface, and the immune profile of placental lymphocytes in MTCT of HBV is poorly understood....
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