Russian plague lab worker dies, nearly 200 monitored in Siberia

Russian plague lab worker dies, nearly 200 monitored in Siberia

A 28-year-old researcher at Siberia's Irkutsk Anti-Plague Research Institute died of pneumonia of unknown origin, possibly after breaking a test tube containing live plague bacteria. Russia denies the death was caused by plague, the WHO says the public health risk appears low, and nearly 200 contacts remain under medical observation.

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