A worker at a plague research institute in Siberia has died, and nearly 200 of her contacts are under medical observation. Russian authorities deny a link to the bacterial infection. The US is monitoring the situation.
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Suspected pneumonic plague in Siberia: What we know about the disease
A worker at a plague research institute in Siberia has died, and nearly 200 of her contacts are under medical observation. Russian authorities deny a link to the bacterial infection. The US is monitoring the situation.
