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Results: …Within this group we also found an elevated risk for the following disorders: autism (RR 7.6, 95% Cl = 1.8-31.5), non organic sleep disorders (RR 5.0, 95% Cl = 1.6-15.9}, and speech disorders (RR 2.1, 95% (1=1.1-4.0)…
Conclusion: This analysis suggests that high exposure to ethyl mercury from thimerosal-containing vaccines in the first month of life increases the risk of subsequent development of neurologic development impairment, but not of neurologic degenerative or renal impairment. Further confirmatory studies are needed.