However, there are no signs that the virus is mutating to become more deadly, as some scientists feared, CDC Director Thomas Frieden said.
CDC主管Thomas Frieden说，然而，科学家担心的病毒更加致命突变迹象尚未出现。
Thomas Frieden, the outgoing Health Commissioner, said at a press conference that both the 41-year-old woman in Queens Borough and the 34-year-old man in Brooklyn Borough had pre-existing conditions.
即将离任的卫生专员托马斯·弗里登在一个新闻发布会上证实，死亡的皇后区一名41岁的妇女和布鲁克林区一名34岁的男子生前都患有其他疾病。
Thomas Frieden, the outgoing Health Commissioner, said at a press conference that both the 41-year-old woman in Queens Borough and the 34-year-old man in Brooklyn Borough had pre-existing conditions.
即将离任的卫生专员托马斯·弗里登在一个新闻发布会上证实，死亡的皇后区一名41岁的妇女和布鲁克林区一名34岁的男子生前都患有其他疾病。
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