Russian authorities have initiated a quarantine at a hospital and are actively monitoring individuals who had contact with a staff member from a plague research institute in Siberia. The employee, who worked at the Irkutsk Anti-Plague Research Institute of Siberia and the Far East, reportedly died last week after contracting pneumonia of an unknown cause.
While local state television reported the woman's death, officials have maintained that there is no evidence linking her illness to the specific pathogens handled at her workplace. Rospotrebnadzor, Russia’s public health watchdog, stated on Sunday that extensive testing revealed no microorganisms associated with the patient's professional duties. The agency further noted that it found no incidents at the institute involving pathogenic microorganisms.
Despite the official stance, the situation has prompted concern, fueled by unconfirmed media reports suggesting the possibility of pneumonic plague. The World Health Organization defines this as a severe, less common form of the disease caused by the bacterium Yersinia pestis, which is typically found in small mammals and their fleas. Addressing these reports, Kremlin spokesman Dmitry Peskov urged the public and the media to rely on official statements from Rospotrebnadzor rather than speculation.
The woman, who passed away in a hospital in the town of Shelekhov, near Irkutsk, has triggered a significant public health response. Mayor Maxim Modin confirmed that the hospital has been placed under quarantine, with the facility no longer admitting or discharging patients, and laboratory operations suspended. The outpatient clinic, however, remains operational.
Anna Popova, the head of Rospotrebnadzor, traveled to Irkutsk to meet with Governor Igor Kobzev to coordinate the response. Governor Kobzev confirmed that all individuals who had contact with the woman are currently under medical supervision. He described the situation as a suspected case of a "particularly dangerous infection" and noted that the agency is implementing a full range of anti-epidemic measures.
Testing conducted on those who had contact with the deceased has yielded mixed results: two individuals tested positive for a common cold virus, two tested positive for COVID-19, and all others tested negative. In a separate development, the Irkutsk Aluminum Plant in Shelekhov has mandated that staff wear masks as a precautionary measure, with director Artyom Fominykh advising employees to remain calm.
Independent local news outlet Lyudi Baikala quoted sources it did not identify as saying the woman died from pneumonic plague and that several Irkutsk hospitals were placed under quarantine.
