Chile reports historic high in syphilis cases in 2025
Chile reported a record high of 11,155 syphilis cases in 2025, marking the highest level in a decade. The data indicates that the infection is most prevalent among young adults aged 20 to 39.
Why it matters
The surge in STI cases highlights a significant public health challenge and the need for improved surveillance and intervention strategies post-pandemic.
Syphilis remains a significant public health issue in Chile, and in 2025, it reached its highest epidemiological level of the last decade.
According to the Abridged Annual Epidemiological Report: Syphilis, Chile 2025 , from the Ministry of Health’s Department of Epidemiology, shows that the country reached a historic high of 11,155 diagnoses that year, with a national notification rate of 55.2 cases per 100,000 inhabitants, reinforcing an upward trend that had intensified following the COVID-19 pandemic.
The observed patterns confirm that syphilis remains a priority sexually transmitted infection (STI) for epidemiological surveillance in Chile.
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