'Early Results Promising For RNA COVID Vaccine In Older Adults,' Univ. of Minn., NIH

[Rollo]

6. OK, so I'm wondering if either the Moderna or Pfizer vaccines...

... have technology that limits the virus's ability to circumvent the vaccine with mutation(s).

This technology, as I understand it, involves having the vaccine target multiple areas of the RNA chain. Vaccines that target just one area are most likely to be defeated by virus mutation. But vaccines that target multiple RNA sequences are far less likely to be vulnerable to virus mutation. That's because the virus is thought not to be able to mutate enough to defeat multiple sequence vaccines.

Or so I've read.