Does thimerosal cause autism or other neurodevelopmental disorders?
No. The best available science to date has shown that there is no link between vaccines containing thimerosal and autism or other behaviour disorders. The National Advisory Committee on Immunization (NACI) has reviewed the safety of thimerosal and concluded that the alleged adverse health effect from thimerosal in vaccines has never been substantiated. International bodies, such as the World Health Organization (WHO), the U.S. Food and Drug Administration (U.S. FDA) and the Institute of Medicine in the U.S., share this opinion.
