Why did they change the definition of ''vaccine''
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51-55, F
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SW-User
This guy doesn't make much sense. The Pfizer and Moderna vaccines are the first commercially available MRNA vaccines, which work slightly differently to traditional vaccines; of course we are going to update the definition, since "MRNA Vaccine" is going to be part of our lexicon going forward, and warrant an amended definition.
Also, there really isn't a difference between:
and
One is necessarily the other. If you increase immunity, you are stimulating an immune response, no? Very few vaccines provide sterilising immunity (i.e. like smallpox), most just boost our immune response and better prepare our bodies to fight severe symptoms.
In fact, I'd argue the new definition on Merriam Webster is way more in depth.
Also, there really isn't a difference between:
produce or artificially increase immunity
and
stimulate an immune response
One is necessarily the other. If you increase immunity, you are stimulating an immune response, no? Very few vaccines provide sterilising immunity (i.e. like smallpox), most just boost our immune response and better prepare our bodies to fight severe symptoms.
In fact, I'd argue the new definition on Merriam Webster is way more in depth.