Children who were vaccinated against Covid-19 last season had a “substantially lower risk” of emergency department and urgent care visits related to the virus, according to a report published Thursday by the US Centers for Disease Control and Prevention.

A Centers for Disease Control and Prevention study released Thursday finds that Covid vaccines continue to protect healthy children from severe illness — a conclusion top federal health officials have questioned in recent months.

The 2024–2025 formulations of COVID-19 vaccines had an effectiveness rate of 76% at preventing emergency or urgent care visits in children aged 9 months through four years, according to a new report.

Covid vaccines slashed emergency room visits among children last year, a real-world analysis from the US Centers for Disease Control and Prevention found, raising questions about the impact of recent policy changes from the Trump administration.

Last season's COVID-19 vaccine significantly reduced kids' emergency room and urgent care visits, newly released Centers for Disease Control and Prevention data shows. Why it matters: The data released on Thursday comes amid intensifying calls from anti-vaccine groups to pull immunizations off the market.

COVID vaccines for the 2024-2025 season provided protection against COVID-associated emergency department (ED) and urgent care visits among children, according to data from a multisite electronic health record-based network.

The Centers for Disease Control and Prevention Dec. 11 released a report that found last year’s version of the COVID-19 vaccine was 76% effective in preventing emergency department or urgent care visits for children ages 9 months to 4 years.

CDC reports COVID vaccine benefits in pediatric care, showing reduced emergency visits by 76% in children under 4 and 56% in ages 5 to 17.

According to a recent report by CIDRAP and the CDC, published on November 24, 2025, viral activity is on the rise, and it's not just COVID-19, but a whole