Dengue Cases Are Declining in Argentina

In response to the unexpected spike in Dengue fever cases in the Americas during 2024, the Pan American Health Organization (PAHO) has been committed to transparency in the presentation of data to better inform the international travel community.

The PAHO's efforts are focused on the Southern Cone subregion, which includes Argentina, Brazil, Chile, Paraguay, and Uruguay.

As of November 4, 2025, the PAHO reported a total of 17,689 Dengue cases and 17 related fatalities in the Argentine Republic this year. Dengue cases peaked in May 2025 and decreased from 2024, when over 580,000 cases were confirmed.

In Argentina's Central and Northwest regions, three dengue serotypes —DENV-1, DENV-2, and DENV-3 —have been detected over the past year.

The U.S. CDC says anyone who lives in or travels to an area with risk of dengue is at risk for infection in 2025.

Currently, Argentina is not included in the CDC's Global Health Notice.