The transovarial virus in 1st and 4th generations of congenital viruliferous insects can cause the second infection.
第1、4代经卵带毒虫还能分别引起早、晚稻再次侵染。
2
Untreated STIs are associated with congenital and perinatal infections in neonates, particularly in regions where rates of infection remain high.
未经治疗的性传播感染与新生儿先天性和围产期感染有关联，在感染率依然很高的地区尤其如此。
3
It is possible that Jerry had a congenital anomaly in his bronchial tree that led to the pooling of mucus, and eventually to infection, but it is impossible to know for certain.