It’s not even a vaccine. So much for scientists and precise terminology.
proust wrote: “It’s not even a vaccine. So much for scientists and precise terminology.”
Definition of a vaccine: a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
These vaccines clearly fit that definition.