Plague DataUpdated October 16, 2026

Outbreaks and active situations

Events we're following, with their official status. An event appears here when a health authority or WHO reports it, even if plague isn't confirmed.

Irkutsk, Russia (2026)

Cause undetermined

One laboratory worker died on October 2, 2026. Russia says it was not plague; WHO says the cause is unknown. Not counted as a plague case.

Latest official update: October 10, 2026

No other WHO plague alerts in 2026

As of October 16, 2026, WHO has not published a Disease Outbreak News report about confirmed plague in 2026. Plague still occurs every year in some countries; see cases by country.