Current disease alerts and outbreak signals
Browse active, source-linked notices with credibility tiers. Use tabs to focus on official publishers, emerging corroboration, or watch-list items—then open any row for dates and the original link.
- Legionnaires cluster associated with building water systemOFFICIAL
Legionnaires disease · respiratory
Toronto, Ontario
Legionnaires disease is associated with aerosolized water from building systems. Officials focus on environmental sampling and remediation.
- Reported / event date
- 2026-05-05
- Detected in OutbreakThreat
- 2026-05-05