Why did CDC change definition for ‘vaccine’? Company explains

The Centers for Disease Control and Prevention has modified its definition of the words “vaccine” and “vaccination” on its website

The Facilities for Illness Management and Prevention has modified its definition of the phrases “vaccine” and “vaccination” on its web site


Social media is asking bluff on the Facilities for Illness Management and Prevention for modifying its definition of the phrases “vaccine” and “vaccination” on its web site.

Earlier than the change, the definition for “vaccination” learn, “the act of introducing a vaccine into the physique to provide immunity to a particular illness.” Now, the phrase “immunity” has been switched to “safety.”

The time period “vaccine” additionally acquired a makeover. The CDC’s definition modified from “a product that stimulates an individual’s immune system to provide immunity to a particular illness” to the present “a preparation that’s used to stimulate the physique’s immune response towards ailments.”

Some individuals have speculated that the unannounced modifications had been the CDC’s try and cover the reality COVID-19 vaccines usually are not 100% efficient at stopping coronavirus an infection. U.S. Consultant Thomas Massie of Kentucky stated in a preferred tweet the CDC has “been busy on the Ministry of Fact.”

Nonetheless, a CDC spokesperson instructed McClatchy Information the “slight modifications in wording over time … haven’t impacted the general definition.”

The earlier definitions may have been “interpreted to imply that vaccines had been 100% efficient, which has by no means been the case for any vaccine, so the present definition is extra clear, and in addition describes the methods during which vaccines could be administered,” the spokesperson stated.

“It’s additionally vital to notice that the modifications to the definition of ‘vaccine’ don’t change the truth that vaccines and the act of vaccination has prevented thousands and thousands of sicknesses and saved numerous lives,” the spokesperson stated in an e mail.

There stays the misunderstanding that COVID-19 vaccines had been designed to stop infections altogether, main individuals to imagine the vaccines aren’t working as they need to once they find out about breakthrough infections among the many vaccinated.

However the coronavirus vaccines are doing precisely what they had been designed to do, which is to stop extreme illness, together with the necessity for hospitalization, and demise — even within the presence of extra harmful variations of the virus such because the delta variant.

Whereas knowledge present the coronavirus pictures are stopping infections in lots of outbreak situations, the actual fact breakthrough infections are occurring doesn’t recommend failure, consultants say.

Comply with extra of our reporting on Full protection of coronavirus in Washington

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Katie Camero is a McClatchy Nationwide Actual-Time Science reporter. She’s an alumna of Boston College and has reported for the Wall Avenue Journal, Science, and The Boston Globe.

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