The Outbreak
Siberia pneumonia outbreak monitor
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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
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News & alerts
WHO bulletins and Google News reporting
- Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo, Kenya and Nigeria
Since the publication of the previous Disease Outbreak News on 8 October 2026, the Bundibugyo virus disease (BVD) outbreak has expanded geographically in the Democratic Republic of the Congo, as well as in the African Re
WHO — 23 Oct 2026 - Middle East respiratory syndrome coronavirus - Kingdom of Saudi Arabia
Between 1 January and 5 October 2026, the Kingdom of Saudi Arabia reported eight laboratory-confirmed cases of Middle East Respiratory Syndrome Coronavirus (MERS-CoV) infection, including one death. Cases were detected a
WHO — 15 Oct 2026 - Does a Russian lab worker's death carry pandemic risk? Experts say it's unlikely, with one caveatNews · PBS — 13 Oct 2026
- WHO unsure what caused pneumonia that killed plague-lab worker in RussiaNews · Reuters — 13 Oct 2026
- As a scientist, here's what worries me about the suspected Russian plague victim | Devi SridharNews · The Guardian — 12 Oct 2026
- Pneumonia of undetermined etiology - the Russian Federation
On 2 October 2026, WHO became aware through media reports of the death of an employee of the Irkutsk Antiplague Research Institute (APRI) of Siberia and the Far East, the Russian Federation. According to these reports, t
WHO — 10 Oct 2026 - Did Russia play by the rules in reporting lab worker's death?News · NPR — 9 Oct 2026
- Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo
On 5 October 2026, WHO was informed about a laboratory-confirmed imported case of Bundibugyo virus disease (BVD) in Kenya with travel history from the Democratic Republic of the Congo. The patient travelled from the Demo
WHO — 8 Oct 2026 - What Worries Experts About the Russia 'Plague' IncidentNews · Time Magazine — 7 Oct 2026
- ‘No plague case’ in Siberia, Russia tells WHO as assessments continueNews · UN News — 7 Oct 2026
- Infectious disease expert: The mysterious pneumonia in Russia deserves attention, not panicNews · STAT — 6 Oct 2026
- What We Really Know About the Russian ‘Plague’ CaseNews · The Atlantic — 6 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