GlobalHealthSince 2021Curatedmedium confidence

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

Loss of life

30

Direct and attributable mortality, normalised across annual and cumulative tolls.

Lives negatively impacted

36

People displaced, injured, food-insecure, exposed or otherwise materially harmed.

Financial cost

10

Direct damage, lost output and health-system spend attributable to the event.

Environmental impact

6

Emissions, habitat and biodiversity loss, contamination and irreversibility.

Trajectory

72

Whether the situation is escalating, and how much worse it is plausibly getting.