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Could a fatal infection at an anti-plague institute spread beyond Siberia?

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Fears of a biological accident erupted in eastern Siberia following the sudden death of a laboratory worker in Irkutsk after she was hospitalized in nearby Shelekhov.

Eastern Siberia

Irkutsk and Shelekhov

Russian authorities denied that plague caused the fatality, but officials placed almost 200 people who had contact with her under medical observation as a precaution.

200

Contacts placed under medical observationSource: Axios · 06.10.2026

Global health monitors moved to assess the threat, as a spokesperson for the World Health Organization confirmed, The initial risk assessment conducted by WHO based on available information indicates that the risk is moderate to low in Irkutsk, low in the Russian Federation as a whole, and very low in the European region.

“The initial risk assessment conducted by WHO based on available information indicates that the risk is moderate to low in Irkutsk, low in the Russian Federation as a whole, and very low in the European region.”

Christian Lindmeier

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Russia denies second plague case after Siberian lab worker's death, WHO seeks dataRead the article

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