Type of Authors and Database Purpose of Study Findings Study Source Journal of Exposure Age or Time Epidemiology Verstraeten et al. VSD database Assessed the No analyses found TCVs [105] 1991-1998 possible toxicity of significant increased Pediatrics TCVs among infants risks for autism Epidemiology Madsen et al. Danish TCVs in Denmark Data do not support TCVs [106] Psychiatric and incidence of a correlation Pediatrics Central Research autism between TCVs and Register autism 2-10 y Epidemiology Stehr-Green et al. US TCVs and autism No correlation –Special TCVs [107] Education between TCVs and Am J Pre Med Services autism Sweden – National database Denmark- National registry Mid 1980s mid – 1990s Epidemiology et al. [108] Danish To determine Results do not TCVs JAMA National registry whether vaccination support a causal 1990-1996 with a relationship between vaccine is TCVs and ASD associated with autism Epidemiology Andrews et al. United Kingdom Relationship No evidence of an TCVs [109] National registry between the amount association with TM Pediatrics 1988-1997 of TM an infant exposure receives via DTP or DT vaccine and NDs (autism)
Type of Study Source of Exposure Authors and Journal Database Age or Time Purpose of Study Findings Epidemiology TCVs Verstraeten et al. [105] Pediatrics VSD database 1991-1998 Assessed the possible toxicity of TCVs among infants No analyses found significant increased risks for autism Epidemiology TCVs Madsen et al. [106] Pediatrics Danish Psychiatric Central Research Register 2-10 y TCVs in Denmark and incidence of autism Data do not support a correlation between TCVs and autism Epidemiology TCVs Stehr-Green et al. [107] Am J Pre Med US –Special Education Services Sweden – National database Denmark- National registry Mid 1980s – mid 1990s TCVs and autism No correlation between TCVs and autism Epidemiology TCVs et al. [108] JAMA Danish National registry 1990-1996 To determine whether vaccination with a vaccine is associated with autism Results do not support a causal relationship between TCVs and ASD Epidemiology TCVs Andrews et al. [109] Pediatrics United Kingdom National registry 1988-1997 Relationship between the amount of TM an infant receives via DTP or DT vaccine and NDs (autism) No evidence of an association with TM exposure