Science Smithsonian Magazine · 2026-10-07T14:00:00Z · 1 min read

Employee of a Russian Anti-Plague Lab Dies of Pneumonia, Sparking Concerns Over the Disease Behind the Black Death. Here's What to Know

No official cause of her pneumonia has been confirmed, and Russian health officials say that none of the deceased individual's close contacts tested positive for the plague. Pneumonic plague is a rare, deadly form of the disease

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