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originally posted by: 1947boomer
When I do the research, I get the following definition of a vaccine from the CDC: “A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease.”
www.cdc.gov...#:~:text=Definition%20of%20Terms,-Let's%20start%20by&text=Vaccine%3A%20A%20product%20that%20stimula tes,or%20sprayed%20into%20the%20nose.
The Pfizer and Moderna vaccines certainly meet that definition.