美国 · 新闻 · CBS News
Russia plays down reported plague lab death and says, trust us
A Russian plague lab worker died of "pneumonia of unknown origin," officials say, in response to initial reports that she was exposed to the deadly bacteria during a lab accident.
在 CBS News 阅读全文 登录后可收藏MediaNews 仅展示媒体发布的标题和摘要，全文请在出版方网站阅读。 (www.cbsnews.com)
