IRKUTSK, Russia — A reported laboratory accident in Siberia has raised public-health concerns after a researcher at an anti-plague institute died following severe pneumonia. Nearly 200 people have reportedly been placed under medical observation as authorities investigate the circumstances surrounding the case.
What Happened
The researcher was identified by local media as Darya Shipilova, 28, a laboratory technician at the Irkutsk Anti-Plague Research Institute in Shelekhov. Reports say she became seriously ill after an alleged incident involving a broken test tube containing biological material.
She developed severe pneumonia and was hospitalized before later dying in early October. However, Russian health authorities have described her illness as pneumonia of unknown cause and have not publicly confirmed that a laboratory exposure caused her death.
Plague Reports
Some regional reports have linked the case to suspected pneumonic plague, while officials have provided differing accounts. The head of neighboring Buryatia said the woman may have died from plague, while Russia’s consumer health watchdog reported that testing had not identified microorganisms connected to her professional activities.
Pneumonic plague is caused by Yersinia pestis and can become life-threatening without prompt treatment. Confirmation of the infection remains an important part of the investigation.
Health Monitoring
Authorities have placed close contacts under observation and introduced additional health measures. Officials have said the situation in the Irkutsk region remains stable, with no confirmed wider outbreak reported at the time of publication.
The incident highlights the importance of strict laboratory safety, rapid diagnosis and transparent public-health communication when dangerous pathogens are involved.