When people on social media started claiming that the CDC had changed its definition of “vaccine” because the COVID-19 vaccine didn’t actually prevent you from catching COVID-19, AP Fact Check got to work — by asking the CDC why it changed its definition of vaccine and reprinting its statement.

Sophia Tulp writes:

The CDC told the AP in a statement that it made the language shifts to add detail and increase transparency.

“While there have been slight changes in wording over time to the definition of ‘vaccine’ on CDC’s website, those haven’t impacted the overall definition,” the statement said, noting that the previous definition “could be interpreted to mean that vaccines were 100% effective, which has never been the case for any vaccine.”

“The changes were made to prevent potential misinterpretations, and did not alter the overall definition, according to the agency,” Tulp adds.

So after the rollout of the COVID-19 vaccine, the CDC changed the definition because the old definition could be interpreted as saying that vaccines are 100 percent effective. Got it.

 

Would the AP Fact Checker allow that the timing was more than a little curious?

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