Overview

• Provincial epidemiological data show RSV has overtaken influenza A as the primary respiratory pathogen in infants under one year.
• Pediatric ICU occupancy peaked at 92% in mid-July and stayed above 90% through early August, straining transfer networks among regional hospitals.
• Emergency visits and hospital admissions for RSV-related bronchiolitis have risen sharply in La Plata and Rosario as H1N1 cases continue to decline.
• Clinicians report multiple severe infant cases that required extracorporeal membrane oxygenation support, underscoring the virus’s threat to the youngest patients.
• Despite a free maternal RSV vaccination campaign launched in 2024, uptake remains near 45%, prompting renewed inoculation drives and stricter infection-control measures.