Published in Vaccine Weekly, January 7th, 2004
In addition to the primary ingredient that stimulates a protective immune response, various vaccines may contain small amounts of metals, proteins, and other chemicals, some of which are residual by-products of normal vaccine manufacturing. "Parents can be reassured that the trace quantities of mercury, aluminum, and formaldehyde contained in vaccines will not harm their children," said the study's lead author, Paul A. Offit, MD, chief of infectious...
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