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Lab Worker Dies After Test Tube Mishap
6 Oct
Summary
- Lab worker died after allegedly breaking a test tube with Yersinia pestis.
- Pneumonic plague, the most virulent form, can be fatal if untreated.
- Nearly 200 people were placed under observation following the incident.

A laboratory worker has died following an incident where she allegedly broke a test tube containing live Yersinia pestis bacteria. The worker was placed on a ventilator but succumbed to her illness on Thursday. This event has prompted authorities to place approximately 200 individuals under observation.
Russia's national public health agency, Rospotrebnadzor, stated the worker contracted "pneumonia of unknown aetiology." The article explains that Yersinia Pestis bacteria cause all forms of plague, including bubonic, pneumonic, and septicaemic. Pneumonic plague is identified as the most virulent form, with incubation as short as 24 hours. It can spread through respiratory particles. While potentially fatal if not diagnosed and treated within 24 hours of symptom onset, recovery rates are high with prompt medical intervention.
The incident highlights the critical importance of stringent biosafety protocols when handling dangerous pathogens. Monitoring and isolating staff and contacts are deemed sensible precautionary measures to detect and treat any potential onward transmission quickly.