The death of a laboratory worker in Siberia on October 2, 2026, and the subsequent quarantine of dozens of people have sparked concerns about a pneumonic plague epidemic, with Russia revealing little information publicly. The incident has revived memories of the COVID-19 pandemic and allegations that the coronavirus may have emerged at a Chinese lab.
The woman worked at the anti-plague research institute in the city of Irkutsk, where the plague occurs naturally in wild animals. Following the incident, top Russian health officials have travelled to the region. Meanwhile, Russia’s health regulator insists there were no risks of an epidemic breaking out in Siberia after the plague institute worker’s death. She has urged Russia to provide more information about the incident that prompted global concerns about suspected pneumonic plague. Reports blamed the woman’s death on pneumonic plague — a less common but severe form of plague that can spread from person to person. Pneumonic plague causes a severe form of pneumonia, but recovery rates are high if it is detected and treated in time. The severe disease is less common than the better-known bubonic plague linked to the Black Death in the Middle Ages.
Maria Van Kerkhove, WHO director of Epidemic and Pandemic Management, said the UN health agency doesn’t know what the “causative agent’ was behind the woman’s October 2 death. The WHO initially said it estimated the risk of the Russia case to the public as low, but told a press conference on October 7 it could not make a fuller risk assessment due to insufficient information from the Russian authorities.
She died at a hospital in nearby Shelekhov that the mayor said had been placed under quarantine. A top official with the World Health Organisation (WHO) said it doesn’t know how the lab worker in Siberia died.
