Leptospirosis in the Philippines: Confronting the Structural Roots of a Recurring Threat.

Leptospirosis remains a pressing yet under-recognized public health burden in the Philippines with an alarming 43.45% rise in cases in early 2025. Outbreaks closely follow flooding, disproportionately affecting impoverished communities in informal, flood-prone settlements where poor sanitation, unsafe housing, and limited healthcare access compound vulnerability. Current responses remain largely hospital-based and reactive, straining resources during seasonal surges while leaving structural drivers unaddressed. This article calls for a shift to multisectoral, preventive strategies that reduce socioeconomic vulnerabilities through stronger intersectoral collaboration, investments in flood control and basic services, and enhanced digital surveillance. Without systemic reforms that integrate health, environment, and social policy, leptospirosis will continue to impose a recurring and inequitable burden on marginalized populations.