The total number of hospitalized patients requiring advanced respiratory support was 70% higher in 2022-23.
The rate of mechanical ventilation use was also two- to three-fold higher in 2022-2023 compared with prepandemic years.
GSK said recent studies have shown RSV causes approximately 42,000 annual hospitalizations in adults aged 50 to 59.
Researchers say the study is the first to provide real-world estimates of nirsevimab effectiveness against severe RSV in PICU patients.
GBS can follow bacterial or viral infections, and, rarely, follow vaccination.
The vaccine, called mRESVIA, is available in single-dose prefilled syringes.
The tool may also help address any family hesitancy about giving the RSV monoclonal antibody by demonstrating the infant's risk profile, the authors say.
The FDA has pushed back its review of Moderna's RSV vaccine owing to administrative issues.
Though the flu season is winding down, the CDC received 10 more reports of pediatric flu deaths, including one from a flu A/flu B coinfection.
Amid further declines in COVID activity, the CDC reported a steady rise in JN.1 spinoffs that have 2 added spike mutations, part of a group nicknamed FLiRT.
