New research shows that there is no link between thimerosal-containing vaccines administered during pregnancy or infancy and the development of autism. The doc interview says there is no need for further research on this question.
n=256 kids with autistic disorder or ASD with regression
parents were interviewed
CDC on vaccine safety: http://www.cdc.gov/vaccinesafety/index.html
"Clinicians can feel confident in counseling parents that the scientific evidence does not support a link between thimerosal in vaccines and autism," Dr. DeStefano said. "Currently, this should not be much of an issue because thimerosal is no longer included in most routinely used in infant and childhood vaccines in the United States."
According to Dr. DeStefano, the single exception is in some influenza vaccines, but "thimerosal-free preparations of influenza vaccines are available for parents who are more comfortable with thimerosal-free products.