Rubio urges Russia to share more information on plague lab worker's death

October 6, 2026

A 28-year-old laboratory worker died at a plague research facility in Irkutsk, Siberia, prompting international concern and speculation about the circumstances of her death. While Russian health authorities claim she died of pneumonia with undetermined causes and that all contacts tested negative for pneumonic plague, US Secretary of State Marco Rubio has called on Russia to provide more transparency about the incident. Nearly 200 people were reportedly placed under observation following the death, though Russian officials deny any confirmed plague cases have occurred.

Who is affected

Darya Shipilova, the 28-year-old lab worker who died
Approximately 200 people placed under observation in Siberia's Irkutsk region
Workers and contacts at the Anti-Plague Institute of Siberia and the Far East
US Secretary of State Marco Rubio and President Donald Trump (monitoring the situation)
Russian health watchdog Rospotrebnadzor officials
World Health Organization
US Centers for Disease Control and Prevention, State Department, and Administration for Strategic Preparedness and Response

What action is being taken

Russian officials are investigating the cause of death
Contacts of the victim are being monitored for illness
The US is watching the situation "very closely, hour by hour"
US Centers for Disease Control and Prevention, State Department, and Administration for Strategic Preparedness and Response are working on the US response
President Trump is looking "very strongly" at the case

Why it matters

This incident matters because pneumonic plague can transmit from person to person and is nearly always fatal if left untreated, making any potential outbreak a serious public health concern. The death at a specialized plague research facility raises questions about laboratory safety protocols and the potential for pathogen release. The lack of transparency from Russian authorities has sparked international concern and diplomatic tensions, particularly given Russia's obligations under global health rules to report outbreaks to the WHO. The situation also highlights that plague remains an ongoing threat to human health despite common misconceptions that it disappeared centuries ago.

What's next

Russia is expected to share more information about the death with the international community
Monitoring of contacts will continue to detect any symptoms of illness
The US has measures available to help Russia if the situation becomes more serious than claimed

Read full article from source: BBC