Current assessment
A 2026 CDC Emerging Infectious Diseases research letter describes a 33-day pneumonic plague cluster in Fenoarivobe District, Madagascar, during January–March 2022.
What is established
Transmission was reconstructed within households and at community gatherings, including contact with deceased case-patients; delayed treatment during the first three weeks likely contributed to the high fatality.
Not yet confirmed
No additional item.
Still unknown
The CDC article is an early-release research letter and may be revised when the final November 2026 issue is published.
Claim-by-claim evidence
- Public report
The investigation identified 21 cases: 6 PCR-confirmed, 1 probable and 14 suspected; 12 deaths occurred.
CDC Emerging Infectious Diseases: Community Transmission of Pneumonic Plague, Fenoarivobe, Madagascar, 2022 ↗
TIMELINE
CDC publishes early-release outbreak investigation
The research letter reconstructs family and community transmission in the 2022 cluster and reports delayed recognition and treatment. This is the publication date, not the date of a new outbreak.
Evidence & sources
- CDC Emerging Infectious Diseases: Community Transmission of Pneumonic Plague, Fenoarivobe, Madagascar, 2022 ↗
Oct 15, 2026 · research
This is a source-linked demonstration record for product development. Every field requires renewed verification before launch.