I’ve heard from someone who works with m-RNA “vaccines” that they are easy to tweak. If that’s true, why isn’t there one for the Omicron already? Why do they keep pushing the one made for the alpha variant? It doesn’t work against Omicron, so why the push for boosters? It’s ridiculous.
Moderna is asking for approval of an omicron vaccine. While mRNA might be easy to tweak, trials are still required which takes months to complete. Google moderna vaccine omicron for details.