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.
CITATION STYLE
Miller, E., Waight, P., Farrington, P., Andrews, N., Stowe, J., & Taylor, B. (2001). Idiopathic thrombocytopenic purpura and MMR vaccine. Archives of Disease in Childhood, 84(3), 227–229. https://doi.org/10.1136/adc.84.3.227
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