The Outbreak
Siberia pneumonia outbreak monitor
Reported snapshot — cause unconfirmed Monitoring active
Suspected cases
1
Pneumonia, suspected plague
Deaths
1
Lab worker, Shelekhov
Under observation
189
3-week quarantine
Secondary cases
0
Contacts test negative so far
Areas affected
3
Updated 2026-10-05
Affected areas
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EpicenterActiveMonitoring
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Current monitored locations
ShelekhovEPICENTER
Lab assistant at the Irkutsk Anti-Plague Research Institute reportedly broke a tube of live bacteria on Sep 25, was hospitalized with severe pneumonia on Sep 29 and died Oct 1–2. District hospital quarantined; ~189 contacts under 3-week observation. Contacts so far test negative.
1
Suspected
1
Deaths
189
Observed
Daily new suspected cases
People under observation & deaths
News & alerts
WHO bulletins and Google News reporting
- What to know about pneumonic plague after woman in Russia dies from mysterious illnessNews · NBC News — 6 Oct 2026
- What We Really Know About the Russian ‘Plague’ CaseNews · The Atlantic — 6 Oct 2026
- Rubio urges Russia to share more information on plague lab worker's deathNews · BBC — 6 Oct 2026
- Russia's plague mystery: What we know about the suspected outbreakNews · Axios — 6 Oct 2026
- Russian lab worker dies of suspected plague in Siberia; US monitoring caseNews · Al Jazeera — 6 Oct 2026
- Russia reports a worker at a Siberian plague institute got pneumonia from an unknown cause and diedNews · AP News — 6 Oct 2026
- Trump says US would help Russia amid reported fatal case of pneumonic plagueNews · ABC News - Breaking News, Latest News and Videos — 6 Oct 2026
- Dozens quarantined in Siberia after plague institute lab worker diesNews · Reuters — 5 Oct 2026
- Dozens quarantined after researcher at Russian plague laboratory dies of ‘unknown’ infectionNews · CNN — 4 Oct 2026
- Nearly 200 People Under Observation After Irkutsk Lab Worker Dies From PlagueNews · The Moscow Times — 2 Oct 2026