非洲联盟和美国疾控中心正在联合建立传染病控制系统，这会有助于非洲各国更好地做出疫情防备。
The African Union and the US Centers for Disease Control and Prevention are jointly establishing a Communicable Disease Control system that will help African nations be better prepared for outbreaks.
美国研究员发现，如果你把一只热量控制摄入的老鼠与一只普通饮食的老鼠对比，你会发现前者更难应付传染病。
US researchers found mice who were put on a calorie-controlled diet found it harder to tackle the infection than those on a normal diet.
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