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If you or someone near you develops sudden fever, chills, cough (especially with bloody sputum), chest pain, difficulty breathing or painful swollen lymph nodes after possible exposure in the Irkutsk region, call 112 or 103 immediately, mention possible plague exposure, and limit contact with others. Plague is treatable with prompt antibiotics. Do not self-medicate on the basis of this site. plaguetracker.com aggregates unverified reports and is not medical advice.

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Origin hypothesis · 28 Sept 2026 · Irkutsk Anti-Plague Research Institute

Infection from a broken test tube with live bacteria at the institute

How well sourcedContradicted
Chance it’s true31% · Unlikely
Independent sources6 of 17 outlets

The worker reportedly told medical staff she had accidentally broken a test tube containing live bacteria while collecting samples for testing.

Analyst note: Based on an account attributed to medical staff via the Telegram channel Govorit_NeMoskva. On 4 Oct Rospotrebnadzor said no work-related pathogens and no laboratory accidents were found. Event date is approximate.

How the score changed

Chance it’s true, over time. Each dot is a change; hover or focus a dot for the reason.
0%25%50%75%100%4 Oct, 21:115 Oct, 00:115 Oct, 03:11
Change log (16)
WhenChance it’s trueSourcingWhy
5 Oct, 02:03 GMT+831%Contradicted · 6 independent / 17 outletssupporting evidence: Annie Jacobsen (@AnnieJacobsen) on X citing Govorit NeMoskva
5 Oct, 02:01 GMT+831% ▲ 4Contradicted · 6 independent / 16 outletssupporting evidence: Ynet citing Unspecified Russian media reports
5 Oct, 02:01 GMT+828%Contradicted · 5 independent / 15 outletscontext evidence: CNN citing Unspecified Russian media reports
5 Oct, 02:01 GMT+828% ▲ 3Contradicted · 5 independent / 14 outletssupporting evidence: Daily Mail citing Lyudi Baikala
5 Oct, 02:01 GMT+825% ▼ 11Contradicted · 4 independent / 14 outletscontradicting evidence: Daily Mail citing Mikhail Favorov (epidemiologist)
5 Oct, 02:00 GMT+836%Contradicted · 4 independent / 13 outletssupporting evidence: Rod Zepeda (@RodZepeda) on X citing Govorit NeMoskva
5 Oct, 00:04 GMT+836% ▲ 4Contradicted · 4 independent / 12 outletsevidence: Euronews (Russian)
5 Oct, 00:04 GMT+832%Contradicted · 3 independent / 11 outletsevidence: Zerkalo Nedeli
5 Oct, 00:04 GMT+832% ▲ 11Contradicted · 3 independent / 10 outletsevidence: UkraNews
5 Oct, 00:04 GMT+821%Contradicted · 2 independent / 9 outletsevidence: Moika78
5 Oct, 00:04 GMT+821%Contradicted · 2 independent / 8 outletsevidence: Rambler News
5 Oct, 00:04 GMT+821% ▲ 7Contradicted · 2 independent / 7 outletsevidence: Persik.by
5 Oct, 00:04 GMT+815%Contradicted · 1 independent / 6 outletsevidence: IrCity (Telegram)
4 Oct, 23:46 GMT+815% ▼ 35Contradicted · 1 independent / 5 outletsevidence: Radio Svoboda, Novaya Gazeta Europe
4 Oct, 23:46 GMT+850% ▲ 30Only one original source · 1 independent / 3 outletsevidence: The Moscow Times, Outbreak News Today, Govorit NeMoskva
4 Oct, 23:46 GMT+820%No source yet · 0 independent / 0 outletsclaim created

Supporting evidence (6 independent · 11 reports)

Govorit NeMoskva · original source · independent mediarepeated by 6 outlets → counts once

Unnamed colleagues of the deceased · original source · anonymous tip

Unspecified Russian media reports · original source · aggregator

Lyudi Baikala · original source · independent media

Contradicting evidence (2 independent · 6 reports)

Rospotrebnadzor · original source · official health authorityrepeated by 5 outlets → counts once

Mikhail Favorov (epidemiologist) · original source · expert

Context evidence (1 independent · 1 report)

Unspecified Russian media reports · original source · aggregator

Added 4 Oct, 23:46 GMT+8 · updated 5 Oct, 02:03 GMT+8 · origin: seed. Have a source that confirms or contradicts this? Use submit_evidence with claim id 4 via MCP.