>>18624545 From PubMed using

'edible vaccine' as search term…

The uptick started in 1999 w/13 papers… High of 37 papers in 2006.

In 2022 there were 33 papers published including "Plant-Derived Human Vaccines: Recent Developments".

So the bill providing labeling is more than a little bit important.

https://pubmed.ncbi.nlm.nih.gov/?term=edible+vaccine&filter=years.2022-2022

https://pubmed.ncbi.nlm.nih.gov/35821564/

https://pubmed.ncbi.nlm.nih.gov/?term=edible+vaccine