India, Oct. 8 -- Health authorities in Russia have denied that a lab technician in Siberia died of plague last week.

Dozens have been quarantined following the death of Russian lab technician Darya Shipilova last week due to suspected plague case.

The 28-year-old woman, who was working at an anti-plague research institute in the Siberian region of Irkutsk, died on October 2 after developing severe pneumonia.

She reportedly contracted pneumonic plague from a broken test tube and died at a hospital in Shelekhov.

The hospital was quarantined, and at least 197 people were put under observation. Several other local hospitals began enforcing a three-week quarantine, and public events in the city were cancelled.

Russian regulators told World ...