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A Lab Worker’s Death Is Raising Plague Fears in Russia. What Do Experts Want to Know?

8 October 2026 at 11:09
Missing details about the death of a lab worker, including the cause, are worrying scientists.

Β© Eye of Science/Science Source

Russian health officials have not linked the death of a lab worker to infection with Yersinia pestis, the bacterium that causes plague.

Russia Says It Found No β€˜Emergency’ in Plague Lab

7 October 2026 at 14:20
New information around the death of a lab worker, including a statement that she had been vaccinated against the plague, came as U.S. officials demanded more data.

Β© Tatyana Makeyeva/Agence France-Presse β€” Getty Images

The entrance to the grounds of the anti-plague institute in Irkutsk, Russia, on Wednesday. An employee of the institute died of a mysterious pneumonia.
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