Is there plague in Russia?

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No confirmed plague case has been reported in Russia.

The widely covered Irkutsk case — a fatal pneumonia of undetermined cause — is under investigation. Russian authorities told the WHO that no plague case has been registered in Irkutsk Oblast. Unconfirmed claims are labeled, not presented as fact.

Independent tracker. Status reflects official reports; unconfirmed claims are labeled.

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Status legend

Confirmed: Officially confirmed by a health authority or laboratory — pathogen and case(s) publicly verified.
Suspected: Clinical or laboratory clues exist; officials describe the case as suspected or awaiting tests.
Under investigation: The event is real, but the cause/pathogen is not established, or official and media accounts conflict.
Monitoring: No cases; risk signals only — e.g. natural-focus activity or contacts under observation.
No confirmed cases: Officials have explicitly stated there are no confirmed cases for this disease at this location.
Resolved: Officials have declared the event over, or the observation period has ended.

Active outbreaks

Irkutsk: Fatal pneumonia of unknown cause in anti-plague institute worker
Irkutsk Oblast, Russia
Not confirmed — The event is real, but the cause/pathogen is not established, or official and media accounts conflict.Updated … · 07 Oct 2026, 00:00 UTC

Background

Parts of Russia — including natural-focus regions in the Caucasus, Altai and areas bordering Mongolia — have a long history of plague in animal reservoirs. Occasional animal or human cases are investigated locally. This site reflects only what official sources have stated at the time of writing.

Natural foci & background →Plague history timeline →