By Zachary Stieber
The Centers for Disease Control and Prevention (CDC) altered the definition of “vaccine” because of concern that its definition did not apply to COVID-19 vaccines, according to newly released internal emails.
The agency updated its definition on Sept. 1.
The definition was formerly, “a product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease.” It is now, “A preparation that is used to stimulate the body’s immune response against diseases.”
One CDC employee in August, shortly before the definition was changed, said that the definition was being used by “right-wing COVID-19 pandemic deniers … to argue that mRNA vaccines are not vaccines,” according to the newly published emails.
The Pfizer and Moderna COVID-19 vaccines utilize messenger RNA technology. All three COVID-19 vaccines authorized for use in the United States have plummeted in effectiveness against infection in recent months after initially being promoted as protecting against infection and severe disease.
The definition “was twisted to claim that the existing COVID-19 vaccines were not vaccines because they only prevented severe illness,” the CDC employee said.
Alycia Downs, listed on LinkedIn as the lead health communication specialist for the agency, messaged a colleague on Aug. 19, saying she needed to update the definition and others like it “since these definitions are outdated and being used by some to say COVID-19 vaccines are not vaccines per CDC’s own definition.”
Downs didn’t receive a response so she messaged again the following week, writing, “The definition of vaccine we have posted is problematic and people are using it to claim the COVID-19 vaccine is not a vaccine based on our own definition.”
Valerie Morelli, another CDC official, approved the change on Sept. 1, even though it seems to differ greatly from a definition she laid out in an earlier document (pdf).
“If this is for the general public, I am good with the change,” Morelli wrote.
The emails were obtained by lawyer Travis Miller through a Freedom of Information Act request. The CDC did not dispute their authenticity.
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Instead, the agency sent The Epoch Times the same response it received earlier in the year when it inquired about the change. The agency says the “slight changes in wording” for the definition “haven’t impacted the overall definition” and that the previous definition “could be interpreted to mean that vaccines were 100% effective, which has never been the case for any vaccine, so the current definition is more transparent, and also describes the ways in which vaccines can be administered.”
Other parts of the CDC website still say the COVID-19 vaccines grant immunity.
“It typically takes 2 weeks after vaccination for the body to build protection (immunity) against the virus that causes COVID-19,” one page says.