The future of mRNA vaccines

Notes from the U.K.

Covid may end up giving us an unexpected gift–a real one, not some snarky, I’m-saying-the-opposite-of-what-I-mean gift. All the work that went into developing the mRNA vaccines for Covid may soon translate into a flu vaccine that works against all 20 known subtypes of flu. It’s still in the testing stage, but it’s looking promising, and since flu can turn from annoying to lethal without having to file paperwork, this is no small thing.

In animal tests, it reduced symptoms as well as protected the little beasties against death. 

To be clear: protection against death is good. It’s not as good as 600% protection against illness, as we know from the Covid vaccines, which miss that 600% bullseye, but it’s a hell of a lot better than having zero protection against death.

The flu vaccines that are around now are seasonal: they protect against the recent versions but if some new…

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