In one induced aborted fetal liver tissue (19-week of pregnancy), the proteins and DNA of HBV were detected, and its placental villous capillary endothelial cells were also infected.

• 1例孕中期引产胎儿的肝脏中检测到HBV蛋白和DNA,其胎盘从母面到胎儿面各层细胞也均受染。