Guides

Last updated 2026-10-05

Plain-language explainers on the 2026 Irkutsk plague incident and pneumonic plague.

• What is pneumonic plague?
  Pneumonic plague is the lung form of Yersinia pestis infection. How it spreads, how dangerous it is, and why it can be treated.
• Irkutsk plague incident: timeline
  Timeline of the suspected pneumonic plague death at a Siberian research institute in Irkutsk, Russia, with confirmed and unconfirmed details.
• Plague symptoms and treatment
  Symptoms of pneumonic, bubonic and septicemic plague, how fast it progresses, and how it is treated with antibiotics.

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