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New Research Study Shows Developmental Delays in Monkeys Given Hepatitis B Vaccines

Posted Oct 01 2009 10:43pm


"A new research study published today in a leading scientific journal, NeuroToxicology, found that a Hepatitis B vaccine containing the mercury-based preservative thimerosal caused significant delays in the acquisition of critical survival reflexes in newborn rhesus macaque monkeys. In this first-ever study comparing vaccinated animals with unvaccinated controls, thirteen of the animals were given a Hepatitis B vaccine containing a standardized amount of thimerosal to match that given to babies; four received a saline placebo, and three were not given any shots. The unvaccinated animals developed normally. Delays in vaccinated infants involved three critical reflexes associated with feeding, which are essential for survival in the wild."

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