Did the FDA redact a COVID-19 vaccine ingredient because it’s a mysterious substance?
By Marlo Lee
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NO
When the Food and Drug Administration published a list of the ingredients that make up Pfizer's COVID-19 vaccine, one was redacted.
An FDA spokesperson told Lead Stories that if the company considers the ingredient a trade secret or a confidential commercial item, the ingredient gets redacted on documents that will be seen by the public.
Then it said anyone interested in seeing the unredacted ingredient list could file a Freedom of Information Act request.
A little research found that the missing ingredient is salt water.
This fact brief is responsive to conversations such as this one.
Sources
European Medicines Agency Summary of product characteristics
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