美国 · 新闻 · PBS NewsHour
How Russia and the world are responding to a possible case of pneumonic plague after lab worker death
The World Health Organization says a possible case of pneumonic plague in Russia presents a "very low" risk outside the country as investigators look into what caused the death of…
在 PBS NewsHour 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.pbs.org)
