Ultrasound Examination of Extensive Limb Swelling Reactions After Diphtheria-Tetanus-Acellular Pertussis or Reduced-Antigen Content Diphtheria-Tetanus-Acellular Pertussis Immunization in Preschool-Aged Children

Abstract

Extensive limb swelling reactions after diphtheria-tetanus-acellular pertussis or reduced-antigen content booster immunizations involved swelling of subcutaneous and muscle tissues with swelling and duration more marked in subcutaneous tissue.