Uninfected Infected Figure 3.7 Umbilical cord HBV infection in two babies groups whose mothers under LAM, TDF treatment Infected Uninfected 4.8% 3.8% 96.2% 95.2% Figure 3.8 The status of chronic HBV infection in two children groups whose mothers under LAM, TDF treatment 13 In the children group whose mothers under LAM treatment, 4.8% (01/21) children were chronically infected with HBV. The prevalence of chronic HBV infection in children whose mothers treated with TDF was 3.8% (01/26), the difference was not statistically significant (p = 1.000).