> a bold claim Isn't that just the definition of a vaccine? "A vaccine is a biological preparation that provides active acquired immunity to a particular infe

> a bold claim Isn't that just the definition of a vaccine? "A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease." ... "The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associated with that agent that it may encounter in the future." https://en.m.wikipedia.org/wiki/Vaccine https://en.m.wikipedia.org/wiki/Vaccine