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THE DEFENDER
June 25, 2025
 
 
 
 
 
 
acip martin kulldorff
 

By Suzanne Burdick, Ph.D.

The CDC’s new advisory committee today announced plans to look at the cumulative effect of all vaccines given during childhood. 

Martin Kulldorff, Ph.D., the committee’s new co-chair, said: 

“The number of vaccines that our children and adolescents receive today exceeds what children in most other developed nations receive — and what most of us in this room received when we were children. 

“In addition to studying and evaluating individual vaccines, it is important to evaluate the cumulative effect of the recommended vaccine schedule. This includes interaction effects between different vaccines, the total number of vaccines, cumulative amounts of vaccine ingredients, and relative timing of different vaccines.” 

A new committee work group will look into these issues, Kulldorff said. The Centers for Disease Control and Prevention currently recommends at least 70 doses of 15 different vaccines for children and adolescents up to age 18.