Russian health officials said that Ms. Shipilova had died of pneumonia of unknown cause. While plague can lead to pneumonia, the filling of the lung’s air sacs with fluid, it can have many other causes, including seasonal flu.

Russian authorities say the 28-year-old laboratory worker died on Friday from pneumonia of an as-yet ‌unestablished origin, in a case that has ‌prompted international concern, including from US President Donald Trump, and which saw around 200 people initially placed in quarantine.

The WHO and the US State Department have pressed Russia for more information about the death of a woman who worked at an anti-plague institute.

Russian authorities have sought to allay global worries over the death of a young woman who worked at a Siberian anti-plague laboratory. But moves to isolate her contacts and introduce new disease-control measures at local hospitals have raised concerns among people who fear they’re not being told the full story.

By John O'Donnell, Gram Slattery and David Gauthier-Villars BERLIN/WASHINGTON, Oct 8 (Reuters) - Top Russian and US officials, including US Special Envoy Jared Kushner, have held talks about bringing a US investor into the Nord Stream pipelines that delivered gas to Germany before Russia invaded Ukraine,

The U.S. rotates roughly 1,000 soldiers in and out of Lithuania on a regular basis, but there's no permanent U.S. base there.

Bulgaria’s president says that Russia’s war against Ukraine has led to a significant deterioration of the security environment in the Black Sea region.

Gandhi explained Yersinia pestis is “highly sensitive” to antibiotics, which can cure the infection. If a pneumonic plague case is detected in California, Gandhi said steps can be taken to prevent the spread, including prescribing a common broad-spectrum antibiotic to anyone exposed to the disease.