torch infections meaning in English

torch 感染torch系胎儿感染最常见的几种非细菌性病原体
感染torch系胎儿感染最常见的几种非细驹病原体

Association between the natural abortion and torch infection
反复早期自然流产的病因分析
The relationship between torch infection and spontaneous abortion
2型细胞因子与反复自然流产的关系
Correlation of serum cytokine and torch infection with recurrent spontaneous abortion
感染与细胞因子水平的变化
Maternal - fetal transmission and perinatal complications during the pregnant women torch infection
的母婴传播及围产儿结局