US closely monitoring case of lab worker who ‘possibly’ died of plague in Siberia, says Rubio

Quarantine measures in place in several hospitals in eastern Russia amid uncertainty over death of Darya Shipilova

俄羅斯伊爾庫茨克抗鼠疫研究所一名28歲女員工在實驗室事故後身亡，俄官方稱死因為"不明原因肺炎"，但地方官員一度稱其死於鼠疫，引發當地隔離與恐慌。美國國務卿魯比奧表示美方正密切關注，但認為無需恐慌。