Vaccination. When the damage done is doubled.
D002648:Child; D002651:Child Advocacy / Q000331:legislation & jurisprudence*; D002675:Child, Preschool; D004185:Disability Evaluation; D006801:Humans; D007223:Infant; D011640:Public Policy; D006113:United Kingdom; D014611:Vaccination / Q000009:adverse effects*