世卫组织流行病学家Francesco Checci博士（左起第2人）和数据分析人员Jerome Chakauya （最右侧）检查哈拉雷Beatrice Road传染病医院的患者病历。
WHO epidemiologist Dr Francesco Checci (second from left) and data analyst Jerome Chakauya (far right) check patient records at the Beatrice Road Infectious Diseases Clinic in Harare.
但相对风险也相当大，说研究的共同作者洛勒莱穆奇，一个在伯明翰大学的流行病学家和波士顿妇女医院。
But the relative risk was still quite large, says study co-author Lorelei Mucci, an epidemiologist at Brigham and Women's Hospital in Boston.
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