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Are you aware of any vaccines that contain peanut oil as an excipient? I have a patient who insists that some vaccines contain peanut oil and that is why the prevalence of peanut allergy has continued to rise.
Thank you for your recent inquiry.
The issue of peanut antigen in vaccines, at least according to my assessment of the reading material available, is similar to the issue of adverse effects of mercury in vaccines. It seems to be fueled by consumer message boards and consumer-oriented websites. These websites and consumer message boards, as best I can tell, claim that small amounts of peanut allergen contaminate vaccines and are not listed as an ingredient in the package insert. I personally have not been able to find any confirmation in the medical literature of contamination of vaccines by peanut antigen.
For your interest, I have copied below several links to consumer websites and message boards that discuss this issue. However, as previously noted, I am not aware of any documentation in the medical literature of the contamination of vaccines by peanut antigen.
Thank you again for your inquiry and we hope this response is helpful to you.
Phil Lieberman, M.D.
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