Pneumonic plague outbreak in Russia? What we know so far

A laboratory worker in Siberia died on October 2, 2026, sparking concerns of a pneumonic plague outbreak, according to Russian authorities. The 28-year-old Darya Shipilova worked at an anti-plague research institute in Irkutsk, where the disease naturally occurs among wild animals. She was initially misdiagnosed with a "typical" acute respiratory viral infection before succumbing to the illness at a nearby hospital.

Dozens of people were quarantined following her death, and Russia's health watchdog, Rospotrebnadzor, announced plans to lift precautionary measures after failing to detect any dangerous pathogens in 5,000 lab tests.

The incident has revived memories of the COVID-19 pandemic and fueled suspicions that the outbreak may have originated in a Chinese laboratory, similar to the origins of the coronavirus. The World Health Organization (WHO) has not been able to determine the exact cause of the woman's death, citing insufficient information from Russian authorities.

Maria Van Kerkhove, WHO director of Epidemic and Pandemic Management, urged Russia to provide more details about the incident, emphasizing that the risk to the public is currently assessed as low. However, the organization cannot conduct a full risk assessment without more information.

In the United States, President Donald Trump dismissed the possibility of a biological weapon connection, stating that Russia assured him the situation was under control. Despite the reassurances, Trump noted that limited information was being released. The European Union called on Russia to share timely and transparent reporting regarding the plague laboratory worker's death, emphasizing the importance of open communication during the ongoing global health concerns.