"RSV season in the U.S. typically peaks in January and February, with cases often stretching well into March. National emergency room visits and hospitalizations from the virus in kids ages four and younger have dipped slightly but are growing overall in more than a dozen states, according to the Centers for Disease Control and Prevention's latest report on January 16."
"Overall RSV activity is climbing in many regions; national wastewater surveillance siteswhich can forecast future waves of infection in communitieshave detected the virus at high concentrations. RSV is a really big problem, but we have really effective interventions, says Yvonne Maldonado, a pediatrician at the Stanford University School of Medicine. On supporting science journalism If you're enjoying this article, consider supporting our award-winning journalism by subscribing."
Winter respiratory illnesses are widespread in the U.S., with a mutant influenza variant causing hospitalizations, 32 pediatric flu deaths this season, and over a dozen whooping cough fatalities. RSV season typically peaks in January–February and often extends into March. Emergency department visits and hospitalizations for children under five have dipped slightly but are increasing overall across more than a dozen states. Wastewater surveillance shows high concentrations of RSV, forecasting further community waves. Maternal RSV vaccination and infant antibody doses markedly reduce severe infant illness, with protection possibly lasting beyond one season. CDC reports suboptimal RSV vaccine uptake, and reduced childhood vaccine recommendations and public doubts risk lowering coverage further.
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