Overview
- The campaign started January 12 across all jurisdictions, targeting those at 32–36 weeks of gestation.
- Shots are free, obligatory, and part of the National Immunization Schedule, with no prescription required and proof of gestational week requested at vaccination sites.
- The national Health Ministry procured and distributed doses, while provinces and the City of Buenos Aires are responsible for local implementation.
- Authorities set the early-January start to build protection ahead of the usual March–April circulation peak, with end dates to be guided by viral surveillance.
- ANMAT authorized use during pregnancy, and preliminary 2025 data showed about 65% uptake and sizable drops in infant hospitalizations and ICU admissions.