Cholera Resurgence
A wave of outbreaks driven by conflict, floods and broken water systems.
Severity score
28.1
Limited · default weighting
Trajectory
Worsening
What this is
Cholera has resurged across the Horn of Africa, the Sahel, Haiti, Yemen and parts of South Asia. Outbreaks follow displacement, flooding and collapsed sanitation, and the global oral cholera vaccine stockpile has repeatedly run dry.
Score breakdown
Each factor is a 0–100 relative severity index, not the raw figure or a specific time period. The actual counts and periods are listed under "Standardized Impact" on the right.
Loss of life
30Direct and attributable mortality, normalised across annual and cumulative tolls.
Lives negatively impacted
36People displaced, injured, food-insecure, exposed or otherwise materially harmed.
Financial cost
10Direct damage, lost output and health-system spend attributable to the event.
Environmental impact
6Emissions, habitat and biodiversity loss, contamination and irreversibility.
Trajectory
72Whether the situation is escalating, and how much worse it is plausibly getting.
Audit trail
Everything this entry has been through — when it was first searched for, queued, reviewed and approved, and how its figures and rank have moved since.
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