On ET it is best practice to embed your links and give a brief synopsis of what the reader can exact to find there. People don't have time to follow raw links on the off chance their may be something relevant or useful there. Also your first link refers to a link that is over 10 months old - which is rather a long time ago in the evolution of this pandemic and societal and medical responses to it.

Index of Frank's Diaries

What Frank said. I already mentioned the same a few days ago (trying to help a newbie).

It would be good if you could take a bit of time doing that: this would help other readers understand your point and show a bit of consideration. Thanks!

in case you missed it AND CDC 5+5 chief did not mention in any prior booster advert
High number of Omicron mutations render antibodies ineffective - study, 22 Jan 2022

New research indicates the 46 mutations found in the COVID-19 Omicron variant have rendered [mRNA induced] antibodies ineffective, accounting for the high number of re-infections and breakthrough cases.
[...]
The peer-reviewed study titled "Omicron SARS-CoV-2 variant: Unique features and their impact on pre-existing antibodies" was first published in the Journal of Autoimmunity and was produced by Kamlendra Singh, a professor in the University of Missouri College of Veterinary Medicine and assistant director of the college's Molecular Interactions Core and Bond Life Sciences Center investigator.
[...]
Two of the mutations had first been recorded in the Delta or Delta Plus [!] variant, which preceded Omicron by several months. Of the 46 mutations found, 30 were identified in the S-protein, while the remainder were located elsewhere in the virus cell[sic].

archived single point of pharma mRN engineered FAILURE, elsewhere in virus RNA strands