Dengue Prevention: A Model for Public Health?

Santa Fe Province’s aggressive “Dengue Objective” program is demonstrating notable success in curbing the spread of this debilitating mosquito-borne illness. A multi-pronged approach, combining vaccination, vector control, and public awareness campaigns, appears to be yielding impressive results. Could this be a blueprint for other regions grappling with similar outbreaks?

Dramatic Reduction in Dengue Cases

The numbers speak for themselves. During the summer months of 2025, Santa Fe recorded fewer than 600 dengue cases. This is a stark contrast to the same period in 2024, wich saw a staggering 21,000+ infections. This remarkable decrease underscores the effectiveness of the province’s targeted interventions.

this year, from December 31, 2024, to March 15, 2025, only 598 cases were registered, with the majority (563) showing no travel history, indicating local transmission control. In contrast, the previous period (December 31, 2023, to March 16, 2024) saw 21,383 cases spread across all 19 departments of Santa Fe, with Rosario, the capital, Castellanos, San Cristóbal, Las Colonias, and San Lorenzo being the most affected. Furthermore, while the previous period saw 8 deaths with confirmed dengue diagnosis, this year, thankfully, there have been none.

Vaccination Drive: A Key Component

A cornerstone of Santa Fe’s strategy is its proactive vaccination program. The provincial government invested heavily in securing doses of the Qdenga vaccine from Takeda Argentina SA Laboratory, allocating 4.5 billion pesos to ensure access for prioritized population groups. To date, over 107,000 doses have been administered, and authorities are urging those who have received their first dose to complete the vaccination schedule.

The decision to invest in vaccination reflects a growing global trend. As of early 2025,several countries in Southeast Asia and Latin America have implemented or are considering dengue vaccination programs,recognizing their potential to considerably reduce disease burden. For exmaple, Indonesia has approved the Qdenga vaccine for use in individuals aged 6-45 years.

Multi-Faceted Approach: beyond Vaccination

The “Dengue Objective” program, coordinated by the Ministry of Cooperation, extends far beyond vaccination. It’s an interministerial effort involving the Ministries of Health, Equality and Human development, Government, Education, and Environment. This collaborative approach encompasses:

• Epidemiological surveillance
• Promotion of environmental policies
• Integrated vector control
• Patient care
• Establishment of a network of virological laboratories
• Education and communication for behavioral change

The province also invested 700 million pesos in the Pharmaceutical Industrial Laboratory to significantly increase repellent production, ensuring readily available protection for the population.

Targeted Vector Control: Eliminating Breeding Grounds

Recognizing that mosquito control is paramount, the government invested over 8 billion pesos, with 1.5 billion specifically allocated to awareness and prevention campaigns. This included the purchase and distribution of essential supplies throughout the province, such as:

• 40,000 liters of depend
• 2,500 larvicide blisters
• 2,400 manual backpacks for spraying
• 22 humidifiers
• 240 thermonieblas for fumigation

These resources are distributed to municipalities and communes to bolster their local prevention plans.

Expert Perspectives

Silvia Ciancio, the Minister of Health, emphasized the importance of continued vigilance, stating:

We are very attentive to the behaviour of the case curve… That is why we say that far from relaxing with the care we have to insist a lot in eliminating the water that can be accumulated in the courtyards, especially after days of rain, use repellent and quick Fever, muscle pain, pain behind the eyes and head, fatigue or rash that can chop.
Silvia Ciancio, Minister of Health, Santa Fe Province

Cristian Cunha, the Secretary of cooperation of the Provincial Government, highlighted the innovative nature of the approach:

It is unpublished how we address the problem. We are making history in the method and the model that we are working on. The presence of the provincial State to provide resources, funds and machinery is essential.
Cristian Cunha, Secretary of Cooperation, Santa Fe Province

Looking Ahead: Sustaining the Success

While the initial results are encouraging, maintaining this level of success requires sustained commitment and ongoing adaptation. Continuous monitoring of dengue case trends, refinement of vector control strategies, and sustained public awareness campaigns will be crucial to preventing future outbreaks. Santa Fe’s experience offers valuable lessons for other regions seeking to combat the growing threat of dengue fever.