Moscow, Oct. 5 -- Russian authorities have placed a hospital facility under quarantine and put nearly 200 people under medical observation after a worker at an anti-plague laboratory reportedly died from pneumonia of "undetermined origin", Russian media reported.
The female employee from Irkutsk Anti-Plague Institute of Siberia and the Far East died last week, according to Irkutsk regional governor Igor Kobzev. He said tests had found no micro-organisms linked to her professional activities and that no other laboratory employees had developed symptoms.
"The sanitary-epidemiological situation" in the region "is currently stable", Kobzev said.
On Friday, Maksim Modin, mayor of the Shelekhov municipal district near the Mongolian border, sai...