> Does anyone understand why a third dose of the same vaccine improves immunity to Omicron? From what I've read, 2 doses in 8-12 weeks is a small separation,

> Does anyone understand why a third dose of the same vaccine improves immunity to Omicron? From what I've read, 2 doses in 8-12 weeks is a small separation, as these things go. A third dose 6 months after the second is not just a third revision of the lesson (metaphorically), but a more appropriate spacing to re-enforce it.