The Outbreak
Siberia pneumonia outbreak monitor
Affected areas
Select a marker for reported regional detail
Regional reports
Current monitored locations
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.
Daily new suspected cases
People under observation & deaths
News & alerts
WHO bulletins and Google News reporting
- Russian lab worker dies of suspected plague in Siberia; US monitoring caseNews · aljazeera.com — 5 Oct 2026
- Dozens quarantined in Siberia after plague institute lab worker diesNews · Reuters — 5 Oct 2026
- Russia reports a worker at a Siberian plague institute got pneumonia from an unknown cause and diedNews · AP News — 5 Oct 2026
- Russia plays down plague fears and denies lab accident, says scientist died of "pneumonia of unknown origin"News · CBS News — 5 Oct 2026
- Russian lab worker dies of suspected plague as 200 enter medical observationNews · NBC News — 5 Oct 2026
- Worries grow about suspected plague outbreak in RussiaNews · The Hill — 5 Oct 2026
- Russia: Denials of plague, called ‘pneumonia of unknown etiology’News · outbreaknewstoday.substack.com — 5 Oct 2026
- Scoop: White House monitors suspected plague outbreak in RussiaNews · Axios — 4 Oct 2026
- Dozens quarantined after researcher at Russian plague laboratory dies of ‘unknown’ infectionNews · cnn.com — 4 Oct 2026
- Nearly 200 People Under Observation After Irkutsk Lab Worker Dies From PlagueNews · The Moscow Times — 2 Oct 2026
- Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo
Since the last Disease Outbreak News was published on 11 September 2026, the Bundibugyo virus outbreak in the Democratic Republic of the Congo has expanded further, with two additional health zones affected. These includ
WHO — 25 Sep 2026 - Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo
Since the last Disease Outbreak News was published on 28 August 2026, the Bundibugyo virus outbreak in the Democratic Republic of the Congo has expanded to one additional health zone, Kayna, in North Kivu. This increase
WHO — 10 Sep 2026 - Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo
Since the last Disease Outbreak News was published on 14 August 2026, the outbreak has spread from 54 to 60 health zones. The number of affected provinces stands at six out of 26 provinces of the country: Bas-Uélé, Haut-
WHO — 28 Aug 2026 - Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo
The Bundibugyo virus disease (BVD) outbreak in the Democratic Republic of the Congo is in a phase of intense transmission. It is the largest Ebola outbreak ever reported in the country and expanding faster than any previ
WHO — 14 Aug 2026