在分娩后立刻使用缩宫素和麦角新碱（一种管控药物），可使严重产后出血的风险减少一半以上。
Use of oxytocin and ergometrine, a controlled medicine, immediately after the delivery of the baby reduces the risk of severe postpartum bleeding by more than half.
一项暂定目标是到2015年之前将研制和许可使用第一代具有一年以上50%预防功效的疫苗，可预防严重疾病和死亡。
An interim landmark would be to develop and license a first-generation vaccine by 2015 with 50% protective efficacy against severe disease and death that would last longer than one year.
尽管展示每个NAND串中包含四个元件，但可使用四个以上或四个以下存储器元件。
Although four elements are shown to be included in each NAND string, more or less than four memory elements can be used.
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