To our knowledge, this is the first CFR study based on a nationally representative sample of measles outbreaks.
据我们所知,这是第一个基于全国代表样本的麻疹病例病死率研究。
Nowhere is that truer than in Brazil, whose relations with the United States have long been distant and mistrustful, as a recent report by the Council on Foreign relations (CFR), a think-tank, noted.
外事关系委员会(CFR)最近的一份报告提到,没有任何地方比巴西这个美国长期关系疏远、互不信任的国家更真实地说明了这一切。
Bivariate analyses were performed to assess the risk factors for a high CFR and determine the time from rash onset until death.
双变量分析用来评估高病死率的风险因素以及确定从出疹到病死的时间。
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