Kirk Milhoan, a pediatric cardiologist and Chair of the CDC’s Advisory Committee on Immunization Practices (ACIP), is calling for a reassessment of long-standing immunization policies, questioning whether the polio vaccine should remain a routine requirement for children in the United States.

Addressing the large March for Life rally in Washington, D.C., via video message on Friday, President Donald Trump declared that “every child is a gift from God.” The president's pro-life message preceded an anticipated speech by Vice President JD Vance.