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Vaccination (pre 2015): Injection of a killed or weakened infectious organism in order to prevent the disease.

Vaccination (2015 - 2021): The act of introducing a vaccine into the body to produce immunity to a specific disease.

Vaccination (September 2021): The act of introducing a vaccine into the body to produce protection from a specific disease.

Vaccination (pre 2015): Injection of a killed or weakened infectious organism in order to prevent the disease. Vaccination (2015 - 2021): The act of introducing a vaccine into the body to produce **immunity** to a specific disease. Vaccination (September 2021): The act of introducing a vaccine into the body to produce **protection** from a specific disease.

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[–] • 0 pt (edited )

I'm sure this is considered medical mis-information today.

The CDC tried to downplay the change, stating “slight changes in wording over time … haven’t impacted the overall definition.”

Interesting. Then why change the wording? Some of you will understand the (((tactic))) being employed here right away.