RT Journal Article SR Electronic T1 Idiopathic thrombocytopenic purpura and MMR vaccine JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 227 OP 229 DO 10.1136/adc.84.3.227 VO 84 IS 3 A1 E Miller A1 P Waight A1 C P Farrington A1 N Andrews A1 J Stowe A1 B Taylor YR 2001 UL http://adc.bmj.com/content/84/3/227.abstract AB A CAUSAL ASSOCIATION BETWEEN MEASLES mumps–rubella (MMR) vaccine and idiopathic thrombocytopenic purpura (ITP) was confirmed using immunisation/hospital admission record linkage. The absolute risk within six weeks of immunisation was 1 in 22 300 doses, with two of every three cases occurring in the six week post-immunisation period being caused by MMR. Children with ITP before MMR had no vaccine associated recurrences.