Keywords Disease transmission;vertical;Hepatitis B virus carrier;gravida;deoxyribonucleic acid;virus;Hepatitis B virus genotypes;Breast-feeding;

• 疾病传播;垂直;乙型肝炎病毒携带者;孕妇;脱氧核糖核酸;病毒;乙型肝炎病毒基因型;母乳喂养;