Dengue fever surges 25% in Costa Rica: more than 2,800 cases reported so far in 2026

Costa Rica is experiencing a significant rise in dengue fever cases during the first half of 2026. Data from the Ministry of Health for epidemiological week 30 indicates that the country has reached 2,821 cumulative cases, marking a 25% increase compared to previous reporting periods.

This surge represents a notable escalation in public health concerns for the nation. The figures reflect the current status of the outbreak as the country continues to monitor transmission trends throughout the year.