BBC NewsWorld
What is pneumonic plague and how does it spread?
The death of a worker from a Russian lab that researches plague has prompted questions about the disease.
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BBC NewsWorld
The death of a worker from a Russian lab that researches plague has prompted questions about the disease.
BBC NewsWorld
Fears that the death may have been caused by pneumonic plague has prompted calls for more transparency from Russia.
Al JazeeraHealth
Russian authorities quarantine hospital, monitor 200 contacts after suspected pneumonic plague death in Siberia.
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