claim: cdc data has black ctal. (1997)'s study population as those between the age of 12-23 months while makela et. al. (2002) had those aged 1-7 years.
article_headline: 4 measles, mumps, and rubella vaccine | adverse effects of vaccines: evidence and causality | the national academies press
initial_claim: data suppressed by the cdc proved that the mmr vaccine produces a 340% increased risk of autism in african-american boys.