using their own dam terms man
read
Read what? Provide a citation. I don't have time to read the entire United States code along with every page of the CDC and FDA websites and all of their published regulations to find your definition.
I have spent too much time chasing other people's definitions only to find they are incomplete or misleading.
From https://www.cdc.gov/vaccines/terms/glossary.html
Vaccine: a suspension of live (usually attenuated) or inactivated microorganisms (e.g. bacteria or viruses) or fractions thereof administered to induce immunity and prevent infectious diseases and their sequelae. Some vaccines contain highly defined antigens (e.g., the polysaccharide of Haemophilus influenzae type b or the surface antigen of hepatitis B); others have antigens that are complex or incompletely defined (e.g. Bordetella pertussis antigens or live attenuated viruses).
No reference to preventing transmission other than a general "prevent infectious diseases" and I would count the mRNA as "fractions thereof". And that's using their own damn terms, man. If you have a different legal definition I would be glad to read it.
the author of the piece tells you the cdc/fda definition.
what is wrong with you, seriously?
The antegens used to create the immune response in the mRNA vaccine are the RNA code (not the DNA code) for the Spike Protein (the highly defined antigen). The COVID-19 uses that Spike to fuse into the cell wall and deliver its RNA message to the cell ribosomes, which are protein factories, that will create new COVID-19 viruses.
What the mRNA does is use that RNA blueprint (”fractions thereof administered”) to be read (translation) by the ribosomes to create the proteins that make up those spikes on the virus’s outer wall. Once these proteins are created, it will present segments of these proteins on the surface of the host cell’s membrane where they bind to the MHC-1 and MHC-2 complex molecules. This is a process to make sure that the ribosome’s normal production of proteins is true to its instructions. If not, it triggers an immune response. It is here on the MHC-1 and MHC-2 recepters,that the Spike Protein is biochemically evaluated: is it true or false. If it is false the process of creating antibodies, cytoxic T-cells, and and memory cells occurs. The false (foreign) protein is destroyed.
Up to this time, vaccines have only been able to produce the antibodies and memory cells. The mRNA vaccine has been able to create cytoxic T-cells for the antigen (the Spike Protein segment) on the MHC-2 complex molecules. When attracted to that antigen it will destroy the entire cell if infected by the virus. That is very useful. The host cell may have began to create new viruses. Cytoxic T-cells will take those cells out. Also, Cytoxic T-cells ends the Spike Protein translation process for that cell.
When the COVID-19 enters the body, these programmed immune cells attack the spikes that it uses to invade the cell. They have been programmed to destroy those proteins that make up the spike. In doing that, they have performed the function that any vaccine was designed to do.
In fact, the Johnson and Johnson uses the older method, a modified adenovirus to inject the Spike Protein into the cell where the cell’s ribosomes recreate the proteins where segments are bond to the MHC-1 complex molecules. That initiates the process for creating the antibody and memory cells.
Both these mechanism for creating immunity fit the definition of a vaccine.
I know it was a labor of love to find the legal definition for a vaccine. I understand the mechanism of these vaccines enough to understand their immunity function. I hope you now know it too.