I see...the RNA vaccine factory is useful though. Moderna announced already months ago that it is planning to have a flu vaccine next year. And for them changin

I see...the RNA vaccine factory is useful though. Moderna announced already months ago that it is planning to have a flu vaccine next year. And for them changing the RNA sequence is really easy, so they can adapt their vaccine as the flu virus is mutating (just like what they are doing right now with coronavirus).