Highlights
Five cohort studies involving 1,256,407 children and five case-control studies involving 9920 children were included in this analysis.
There was no relationship between vaccination and autism (OR: 0.99; 95% CI: 0.92 to 1.06).
There was no relationship between vaccination and ASD (OR: 0.91; 95% CI: 0.68 to 1.20).
There was no relationship between vaccination and MMR (OR: 0.84; 95% CI: 0.70 to 1.01).
There was no relationship between vaccination and thimerosal (OR: 1.00; 95% CI: 0.77 to 1.31).
There was no relationship between vaccination and mercury (Hg) (OR: 1.00; 95% CI: 0.93 to 1.07).
http://www.sciencedirect.com/science/article/pii/S0264410X14006367
Is it enough to quiet the anti-vax crowd or do we need even more studies completed?