I don't know if that counts as the same "trick" or not as it's another antiviral vaccine. Not that I disagree with you.
I read that this mRNA flu vaccine can be more effective then the regular annual flu shot, simply because the time to create it is shorter, therefor the guess at what strains will circulate that year is more accurate.
alt Hacker News
There is also a mRNU flu vaccine now: https://www.modernatx.com/ir-insights-mflusiva
I don't know if that counts as the same "trick" or not as it's another antiviral vaccine. Not that I disagree with you.
I read that this mRNA flu vaccine can be more effective then the regular annual flu shot, simply because the time to create it is shorter, therefor the guess at what strains will circulate that year is more accurate.
https://pubmed.ncbi.nlm.nih.gov/41701031/
But it is yet more validation. mRNA technology is here, get used to it.