Russian authorities contest reports surrounding the death of 28-year-old Irkutsk laboratory researcher Darya Shipilova, attributing her passing to severe pneumonia rather than suspected plague infection. Officials have dismissed circulating theories about a broken containment vessel at the anti-plague facility, maintaining that medical records indicate respiratory complications of unidentified origin. The incident raises questions about biosafety protocols and transparency in Russia's infectious disease research operations.

Summary auto-generated by AI from the original publisher's content. Editorial standards.