El secretario de Salud ha comparecido en el Senado tras despedir a la directora de los Centros de Control de Enfermedades por desacuerdos sobre las inyecciones

Democrats called for Kennedy's resignation after the most recent turmoil at the CDC over vaccine science.

The firing of director Sue Monarez, several high-level resignations and hundreds of earlier lay-offs plunged the health agency into turmoil.