Even though according to the CDC All routinely recommended pediatric vaccines manufactured for the U.S. market contain no thimerosal or only trace amounts", in the US, the multi-dose flu shot for children and adults and some other vaccines still contain mercury. <a href="http://www.cdc.gov/vaccines/vac-gen/additives.htmOn">http://www.cdc.gov/vaccines/vac-gen/additives.htmOn</a> the matter of Dr Anthony Morris, check out this article, particularly the two links