1、There is one reported case of transplacental WNV transmission.
曾有一例西尼羅河病毒經(jīng)胎盤（從母親到嬰兒）傳播的報(bào)告。

2、Transmission is by direct and indirect contact, and by transplacental and congenital transmission.
所屬病毒通過直接和間接接觸傳播，或經(jīng)胎盤和先天性傳播。

3、Objective To study the immune reaction of host with transplacental transmission of schistosomiasis.
目的研究日本血吸蟲病經(jīng)胎盤傳播宿主的血清免疫反應(yīng)。

transplacental翻譯