The effect of screening on mortality has not been determined.

筛查对死亡率的影响尚未确定。

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OBJECTIVE to explore the feasibility and effect of automatic auditory brainstem response (AABR) for newborn hearing screening.

目的探索全自动听觉脑干反应(AABR)进行新生儿听力筛查的可行性和效果。

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Objective To investigate the incidence of Down's syndrome in live birth infants delivered in the hospital, and the effect of prenatal screening in reducing the incidence of Down's syndrome.

目的探讨住院分娩活产婴儿中唐氏综合征的发生率，以及产前筛查对降低唐氏综合征发生率的作用。

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But even exit screening, he says, is unlikely to have much effect because of the virus' long incubation period.

CNN: Up to three Ebola-infected travelers might fly each month