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I'm not sure if you are trolling, or sincere, but yes:

https://www.uabmedicine.org/-/flu-strains-explained-and-how-...

This is why Flu shots are seasonal

I'm wondering why we don't start producing mRNA vaccines targeting this other variant now. Seems like there could be some safety and efficacy protocol put in place to target emerging variants so we don't have to start from scratch in the approval process, requiring 30k-40k adults alone every year.

>I'm wondering why we don't start producing mRNA vaccines targeting this other variant now.

People are developing mRNA vaccines for 'flu now. Moderna, Pfizer and Sanofi all have mRNA 'flu vaccines in clinical trials, and there are a bunch more in the pre-clinical stages.

https://www.nature.com/articles/d41573-021-00176-7

why the apostrophes?

Flu is short for influenza so perhaps the apostrophes are intended to indicate the existence of missing characters?

Ah yes, but that would be " 'Flu' " would it not?

I'd say that's a good rhetorical question rather than a troll.

It's designed to make a statement, rather than elicit information. (Ref Oxford Languages).

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