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May 3, 2025 – The United States is witnessing its deadliest flu season for children since the 2009-2010 H1N1 pandemic, according to a new report from the Centers for Disease Control and Prevention (CDC). As of Friday, 216 pediatric deaths have been recorded, surpassing last year’s tally of 207 and marking the highest number in 15 years.
Alarming Numbers Amid Ongoing Flu Season
Health experts warn that the current figure is likely an undercount, as the flu season is still ongoing and final numbers are typically compiled months later. “This number that we have now is almost certainly an undercount, and one that-when the season is declared over, and they compile all the data-it’s almost certain to go up,” said Dr. Sean O’Leary of the American Academy of Pediatrics and a pediatric infectious diseases specialist at the University of Colorado.
Declining Vaccination Rates a Major Factor
A significant contributor to the surge in child deaths appears to be a drop in flu vaccination rates among children. The CDC reports that only 49% of U.S. children have received a flu shot this season, down from 64% five years ago. Dr. O’Leary emphasized that while flu vaccines may not always prevent illness, they are highly effective at reducing hospitalizations and deaths.
A Severe Season for All
The severity of this flu season extends beyond children. The CDC estimates at least 47 million illnesses, 610,000 hospitalizations, and 26,000 deaths across all age groups so far. Among hospitalized adults, 95% had at least one underlying health condition. For children, about 53% of those hospitalized had underlying conditions such as asthma or obesity.
Mixed Flu Strains and Vaccine Effectiveness
This season has seen a mix of flu strains, with both H1N1 and H3N2 Type A viruses circulating widely. Despite the challenging mix, early CDC data suggests that this year’s flu vaccine has been effective at preventing severe outcomes.
Barriers to Vaccination
Experts point to several reasons for the decline in childhood flu vaccinations, including misinformation, political divisions over vaccines, and logistical challenges. Staffing shortages in pediatric offices and limited after-hours clinics have made it harder for families to access vaccines. Additionally, while more Americans are getting vaccinated at pharmacies, some drugstores do not vaccinate children.
“My hope is that this season will be a bit of a wake-up call for folks that we actually do need to vaccinate our kids against influenza,” said Dr. O’Leary.
Flu Activity Declining
There is some good news: flu activity has been waning since February, with all 50 states now reporting low or minimal flu activity. The CDC continues to recommend annual flu vaccination for everyone aged six months and older.
Disclaimer:
This article is based on information reported by the Associated Press and published on Medical Xpress on May 2, 2025. The data and expert opinions are subject to change as the flu season progresses and more information becomes available. For the latest updates and personalized medical advice, please consult the CDC or your healthcare provider.
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