Before https://cdn.discordapp.com/attachments/693503523199123526/894204151473508433/August_23_2021_Summary_Basis_for_Regulatory_Action_-_Comirnaty.pdf

Now https://www.fda.gov/media/151733/download Redacted is b 4 Going over it there are differences in redactions, I have doubts that if it was redacted in the first place it would be water. They wouldn't have redacted something stupid like that so it's probably a cover. Here is the classification codes.

https://www.archives.go/declassification/iscap/redaction-codes.html

Chinese patent https://patents.google.com/patent/US20160024457A1/en

There is an effort to scrub the term lipid bilayer secretly. But it's a proper term for a type of virus structure. http://h1n1virusprojecct.weebly.com/uploads/5/0/3/6/50365673/6863574_orig.jpg