An unsettling incident has emerged in southeastern Russia involving the demise of a 28-year-old woman due to pneumonia and concerns that she might have been exposed to a strain of plague at her workplace laboratory.
The specific type of plague suspected is pneumonic plague. Authorities in Russia have stated that currently, there is no concrete evidence linking the woman’s illness to any pathogens present in the Irkutsk Anti-Plague Research Institute of Siberia and the Far East where she was employed.
However, the governor of a neighboring region sparked speculation by initially suggesting on Telegram that the woman had succumbed to plague, later revising his statement to include uncertainty. Following the woman’s death last week, individuals have been quarantined at the hospital where she passed away, and others who had contact with her are under medical supervision, as per Anna Popova, Russia’s public health agency.
There are concerns regarding the transparency of Russian authorities and astonishment at the idea of someone dying from an illness associated with medieval times, which many are unaware still exists. The situation in the Siberian city of Irkutsk, the deceased lab worker, and the official statements from Russian and global authorities are under scrutiny.
As reported by Russian state-run news agency TASS, the employee was diagnosed with pneumonia of unknown origin. Local media reports have identified her as Darya Shipilova, a laboratory technician who reportedly passed away on Friday.
The laboratory, founded under the former Soviet Union in 1934, focuses on scientific research related to plague control, vaccine development, epidemic prevention, and other hazardous infectious diseases like cholera, brucellosis, and anthrax. Shipilova sought medical care at a hospital in Shelekhov, about 20 kilometers southwest of Irkutsk, before her demise, as per Russian-language reports.
Pneumonic plague, caused by the bacterium Yersinia pestis, affects the lungs, posing a higher risk as it can be transmitted between individuals through airborne droplets. Symptoms can include high fever, cough, coughing up blood, and breathing difficulties, potentially leading to fatality if left untreated.
Plague is treatable with antibiotics, unlike during the Black Death era, but fatalities still occur, primarily in specific regions due to factors like rodent presence or remote locations. The WHO recorded thousands of suspected cases and hundreds of deaths between 2019 and 2025, with most instances concentrated in the Democratic Republic of Congo and Madagascar.
While questions remain unanswered, experts emphasize that a swift response is crucial for controlling the spread of plague and mitigating risks. Russian officials have moved to allay fears of a potential outbreak, with neighboring countries like Kazakhstan implementing precautionary measures. The WHO is in contact with Russian health authorities and stands ready to provide support if necessary.
Concerns about the possible outbreak have prompted responses from global leaders and health agencies, including the U.S. and Canada, which are monitoring the situation closely. The last recorded human case of plague in Canada dates back to 1939.