美洲 · 新闻 · CBC News
WHO wants more answers from Russia about lab worker's death, as pneumonic plague concerns linger
A top official with the World Health Organization said Wednesday the UN health agency doesn't know how a lab worker in Siberia died amid concerns about plague, and is urging…
在 CBC 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.cbc.ca)
