Overview

• Argentina's vaccination rates have declined, with coverage for the pentavalent vaccine in infants falling to 80% in 2022, below the WHO-recommended 95% threshold.
• Young adults remain the least vaccinated demographic, prompting targeted outreach during the ongoing Semana de la Vacunación en las Américas (April 26–May 3, 2025).
• Proof of up-to-date vaccinations is now required for school enrollment in 2025, driving increased pediatric immunization rates.
• Health experts warn of the resurgence of previously controlled diseases, emphasizing the need for adult booster shots and adherence to the National Immunization Calendar.
• The Ministry of Health and regional campaigns highlight the importance of vaccines in reducing hospitalizations, preventing severe illness, and easing healthcare system burdens.