Dominican Republic reports rise in leptospirosis and whooping cough cases

The Ministry of Public Health and Social Assistance of the Dominican Republic has reported an increase in cases of leptospirosis and whooping cough during 2026.

According to official data from epidemiological week 39, whooping cough has seen the highest percentage increase in its cumulative incidence rate, rising from one confirmed case in 2025 to nine cases so far this year, representing a 777% increase.

Leptospirosis cases have also risen, with 279 confirmed cases compared to 147 reported during the same period in 2025, marking an 85% increase in the incidence rate. The World Health Organization defines leptospirosis as a zoonotic disease caused by the bacteria leptospira, which can be transmitted through direct contact with the urine of infected animals or contaminated environments, often following heavy rains.